80566362690 has 64 divisors (see below), whose sum is σ = 211159550592. Its totient is φ = 19510668800.

The previous prime is 80566362677. The next prime is 80566362761. The reversal of 80566362690 is 9626366508.

It is a super-2 number, since 2×80566362690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186400 + ... + 442580.

It is an arithmetic number, because the mean of its divisors is an integer number (3299367978).

Almost surely, 2^80566362690 is an apocalyptic number.

80566362690 is an abundant number, since it is smaller than the sum of its proper divisors (130593187902).

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

80566362690 is a wasteful number, since it uses less digits than its factorization.

80566362690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257155.

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 80566362690 in words is "eighty billion, five hundred sixty-six million, three hundred sixty-two thousand, six hundred ninety".