18508150216120 has 64 divisors (see below), whose sum is σ = 42146552448000. Its totient is φ = 7313806036608.

The previous prime is 18508150216069. The next prime is 18508150216177. The reversal of 18508150216120 is 2161205180581.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

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, 113857861 + ... + 114020299.

It is an arithmetic number, because the mean of its divisors is an integer number (658539882000).

Almost surely, 2^{18508150216120} is an apocalyptic number.

18508150216120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18508150216120 is an abundant number, since it is smaller than the sum of its proper divisors (23638402231880).

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

18508150216120 is a wasteful number, since it uses less digits than its factorization.

18508150216120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196852 (or 196848 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 40.

The spelling of 18508150216120 in words is "eighteen trillion, five hundred eight billion, one hundred fifty million, two hundred sixteen thousand, one hundred twenty".