18169738854 has 16 divisors (see below), whose sum is σ = 36372436992. Its totient is φ = 6051086408.

The previous prime is 18169738813. The next prime is 18169738877. The reversal of 18169738854 is 45883796181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1366134 + ... + 1379369.

It is an arithmetic number, because the mean of its divisors is an integer number (2273277312).

Almost surely, 2^18169738854 is an apocalyptic number.

18169738854 is an abundant number, since it is smaller than the sum of its proper divisors (18202698138).

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

18169738854 is a wasteful number, since it uses less digits than its factorization.

18169738854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746611.

The product of its digits is 11612160, while the sum is 60.

The spelling of 18169738854 in words is "eighteen billion, one hundred sixty-nine million, seven hundred thirty-eight thousand, eight hundred fifty-four".