86520164 has 12 divisors (see below), whose sum is σ = 151530624. Its totient is φ = 43225704.

The previous prime is 86520139. The next prime is 86520179. The reversal of 86520164 is 46102568.

It is a self number, because there is not a number n which added to its sum of digits gives 86520164.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2444 + ... + 13379.

It is an arithmetic number, because the mean of its divisors is an integer number (12627552).

Almost surely, 2^86520164 is an apocalyptic number.

It is an amenable number.

86520164 is a deficient number, since it is larger than the sum of its proper divisors (65010460).

86520164 is a wasteful number, since it uses less digits than its factorization.

86520164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17194 (or 17192 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 86520164 is about 9301.6215790581. The cubic root of 86520164 is about 442.2886330272.

The spelling of 86520164 in words is "eighty-six million, five hundred twenty thousand, one hundred sixty-four".