18325010865264 has 80 divisors (see below), whose sum is σ = 48143186615040. Its totient is φ = 6004655032320.

The previous prime is 18325010865191. The next prime is 18325010865313. The reversal of 18325010865264 is 46256801052381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197760384 + ... + 197853024.

It is an arithmetic number, because the mean of its divisors is an integer number (601789832688).

Almost surely, 2^{18325010865264} is an apocalyptic number.

It is an amenable number.

18325010865264 is an abundant number, since it is smaller than the sum of its proper divisors (29818175749776).

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

18325010865264 is a wasteful number, since it uses less digits than its factorization.

18325010865264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162558 (or 162552 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 18325010865264 in words is "eighteen trillion, three hundred twenty-five billion, ten million, eight hundred sixty-five thousand, two hundred sixty-four".