80931164 has 12 divisors (see below), whose sum is σ = 141959664. Its totient is φ = 40371264.

The previous prime is 80931163. The next prime is 80931167. The reversal of 80931164 is 46113908.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 80931164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80931161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21632 + ... + 25095.

It is an arithmetic number, because the mean of its divisors is an integer number (11829972).

Almost surely, 2^80931164 is an apocalyptic number.

It is an amenable number.

80931164 is a deficient number, since it is larger than the sum of its proper divisors (61028500).

80931164 is a wasteful number, since it uses less digits than its factorization.

80931164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47164 (or 47162 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 80931164 is about 8996.1749649504. The cubic root of 80931164 is about 432.5522700701.

The spelling of 80931164 in words is "eighty million, nine hundred thirty-one thousand, one hundred sixty-four".