2021067010660 has 24 divisors (see below), whose sum is σ = 4244577749496. Its totient is φ = 808362608640.

The previous prime is 2021067010657. The next prime is 2021067010663. The reversal of 2021067010660 is 660107601202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2021067010657) and next prime (2021067010663).

It can be written as a sum of positive squares in 4 ways, for example, as 589636622884 + 1431430387776 = 767878^2 + 1196424^2 .

It is not an unprimeable number, because it can be changed into a prime (2021067010663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3753661 + ... + 4258180.

It is an arithmetic number, because the mean of its divisors is an integer number (176857406229).

Almost surely, 2^{2021067010660} is an apocalyptic number.

2021067010660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021067010660 is an abundant number, since it is smaller than the sum of its proper divisors (2223510738836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021067010660 is a wasteful number, since it uses less digits than its factorization.

2021067010660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8024463 (or 8024461 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 2021067010660 in words is "two trillion, twenty-one billion, sixty-seven million, ten thousand, six hundred sixty".