Up to one-in-six Australian adults is expected to have an entry in the draw, hoping to join the 18 Powerball multi-millionaires crowned from nine winning division entries so far this year.

NSW players have had the most success in 2021, holding six division one winning entries, while Queensland players have had the remaining three.

The Lott spokesperson Matt Hart said this week's $60 million Powerball jackpot was the second biggest offer by any Australian lottery game so far this year.

"The $80 million Powerball prize offered in April, and subsequently won by two people, remains the biggest Australian lottery draw so far in 2021," he said.

"However, this is the second time we've seen a $60 million Powerball draw this year. The first one was held just last month, and, on that occasion, the massive jackpot was won by 10 members of a Townsville syndicate who scored $6 million each."

In the lead-up to Thursday's big draw, The Lott has revealed that 17 has been the most-drawn number from the main barrel over the past three years, drawn 49 times, followed by 7 (43 times).

At the other end of the scale, 34 has been the least-drawn number (24 times) and 15 has been drawn just 25 times.

The most-drawn Powerball has been 19 (drawn 16 times), followed by 3 (13 times). The least-drawn Powerball has been 18, drawn just four times in the past three years, while 16 and 8 have each been drawn five times as the Powerball.

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Mr Hart said players marking their Powerball entries for Thursday night's draw might consider how they interpret the game's "hot" and "cold" numbers.

"While Powerball is a game of chance, and every number has an equal chance of being drawn, some numbers have been drawn more often than others," he shared.

"But will these 'hot' numbers make an appearance this week, or is it time for the 'cold' numbers to shine?"