18675813132 has 72 divisors (see below), whose sum is σ = 47739409536. Its totient is φ = 6155357184.

The previous prime is 18675813109. The next prime is 18675813181. The reversal of 18675813132 is 23131857681.

It is a happy number.

18675813132 is a `hidden beast` number, since 1 + 8 + 6 + 7 + 581 + 31 + 32 = 666.

It is a super-2 number, since 2×18675813132² (a number of 21 digits) contains 22 as substring.

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, 5470258 + ... + 5473670.

Almost surely, 2^18675813132 is an apocalyptic number.

18675813132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18675813132 is an abundant number, since it is smaller than the sum of its proper divisors (29063596404).

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

18675813132 is a wasteful number, since it uses less digits than its factorization.

18675813132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087 (or 5082 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The spelling of 18675813132 in words is "eighteen billion, six hundred seventy-five million, eight hundred thirteen thousand, one hundred thirty-two".