18472818574152 has 96 divisors (see below), whose sum is σ = 50300124147000. Its totient is φ = 6124504089600.

The previous prime is 18472818574099. The next prime is 18472818574187. The reversal of 18472818574152 is 25147581827481.

It is a happy number.

18472818574152 is a `hidden beast` number, since 1 + 8 + 4 + 7 + 2 + 8 + 1 + 8 + 574 + 1 + 52 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14898472901316 + 3574345672836 = 3859854^2 + 1890594^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18472818574152.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10846674 + ... + 12433662.

Almost surely, 2^{18472818574152} is an apocalyptic number.

18472818574152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18472818574152 is an abundant number, since it is smaller than the sum of its proper divisors (31827305572848).

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

18472818574152 is a wasteful number, since it uses less digits than its factorization.

18472818574152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587871 (or 1587864 counting only the distinct ones).

The product of its digits is 40140800, while the sum is 63.

The spelling of 18472818574152 in words is "eighteen trillion, four hundred seventy-two billion, eight hundred eighteen million, five hundred seventy-four thousand, one hundred fifty-two".