18160890496 has 32 divisors (see below), whose sum is σ = 41348458080. Its totient is φ = 7783238400.

The previous prime is 18160890491. The next prime is 18160890499. The reversal of 18160890496 is 69409806181.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (18160890491) 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, 10133530 + ... + 10135321.

It is an arithmetic number, because the mean of its divisors is an integer number (1292139315).

Almost surely, 2^18160890496 is an apocalyptic number.

18160890496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18160890496 is an abundant number, since it is smaller than the sum of its proper divisors (23187567584).

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

18160890496 is an equidigital number, since it uses as much as digits as its factorization.

18160890496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20268872 (or 20268860 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 18160890496 in words is "eighteen billion, one hundred sixty million, eight hundred ninety thousand, four hundred ninety-six".