13611164832 has 84 divisors (see below), whose sum is σ = 40177160730. Its totient is φ = 4537047168.

The previous prime is 13611164773. The next prime is 13611164851. The reversal of 13611164832 is 23846111631.

13611164832 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 1 + 1 + 648 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12206714256 + 1404450576 = 110484^2 + 37476^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 268407 + ... + 315062.

Almost surely, 2^13611164832 is an apocalyptic number.

13611164832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13611164832 is an abundant number, since it is smaller than the sum of its proper divisors (26565995898).

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

13611164832 is an frugal number, since it uses more digits than its factorization.

13611164832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583497 (or 583474 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The spelling of 13611164832 in words is "thirteen billion, six hundred eleven million, one hundred sixty-four thousand, eight hundred thirty-two".