18357145116 has 24 divisors (see below), whose sum is σ = 44310351120. Its totient is φ = 5908046592.

The previous prime is 18357145067. The next prime is 18357145133. The reversal of 18357145116 is 61154175381.

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, 26374861 + ... + 26375556.

It is an arithmetic number, because the mean of its divisors is an integer number (1846264630).

Almost surely, 2^18357145116 is an apocalyptic number.

It is an amenable number.

18357145116 is an abundant number, since it is smaller than the sum of its proper divisors (25953206004).

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

18357145116 is a wasteful number, since it uses less digits than its factorization.

18357145116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52750453 (or 52750451 counting only the distinct ones).

The product of its digits is 100800, while the sum is 42.

The spelling of 18357145116 in words is "eighteen billion, three hundred fifty-seven million, one hundred forty-five thousand, one hundred sixteen".