80966132516 has 24 divisors (see below), whose sum is σ = 147646550520. Its totient is φ = 38801783552.

The previous prime is 80966132477. The next prime is 80966132539. The reversal of 80966132516 is 61523166908.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6271056100 + 74695076416 = 79190^2 + 273304^2 .

It is a super-2 number, since 2×80966132516² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2531495 + ... + 2563278.

It is an arithmetic number, because the mean of its divisors is an integer number (6151939605).

Almost surely, 2^80966132516 is an apocalyptic number.

It is an amenable number.

80966132516 is a deficient number, since it is larger than the sum of its proper divisors (66680418004).

80966132516 is a wasteful number, since it uses less digits than its factorization.

80966132516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094943 (or 5094941 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 80966132516 in words is "eighty billion, nine hundred sixty-six million, one hundred thirty-two thousand, five hundred sixteen".