18367272704 has 36 divisors (see below), whose sum is σ = 39995786040. Its totient is φ = 8348759040.

The previous prime is 18367272689. The next prime is 18367272709. The reversal of 18367272704 is 40727276381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18367272709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3258419 + ... + 3264050.

Almost surely, 2^18367272704 is an apocalyptic number.

It is an amenable number.

18367272704 is an abundant number, since it is smaller than the sum of its proper divisors (21628513336).

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

18367272704 is an equidigital number, since it uses as much as digits as its factorization.

18367272704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6522496 (or 6522482 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 18367272704 in words is "eighteen billion, three hundred sixty-seven million, two hundred seventy-two thousand, seven hundred four".