18105317160 has 64 divisors (see below), whose sum is σ = 62075376000. Its totient is φ = 4138358016.

The previous prime is 18105317137. The next prime is 18105317171. The reversal of 18105317160 is 6171350181.

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, 10776135 + ... + 10777814.

It is an arithmetic number, because the mean of its divisors is an integer number (969927750).

Almost surely, 2^18105317160 is an apocalyptic number.

18105317160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18105317160 is an abundant number, since it is smaller than the sum of its proper divisors (43970058840).

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

18105317160 is a wasteful number, since it uses less digits than its factorization.

18105317160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21553970 (or 21553966 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The spelling of 18105317160 in words is "eighteen billion, one hundred five million, three hundred seventeen thousand, one hundred sixty".