32164136631 has 36 divisors (see below), whose sum is σ = 51143446536. Its totient is φ = 19464176160.

The previous prime is 32164136623. The next prime is 32164136633. The reversal of 32164136631 is 13663146123.

32164136631 is a `hidden beast` number, since 3 + 2 + 1 + 6 + 4 + 13 + 6 + 631 = 666.

It is not a de Polignac number, because 32164136631 - 2³ = 32164136623 is a prime.

It is a super-2 number, since 2×32164136631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32164136633) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 715440 + ... + 759066.

Almost surely, 2^32164136631 is an apocalyptic number.

32164136631 is a deficient number, since it is larger than the sum of its proper divisors (18979309905).

32164136631 is a wasteful number, since it uses less digits than its factorization.

32164136631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44332 (or 44318 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The spelling of 32164136631 in words is "thirty-two billion, one hundred sixty-four million, one hundred thirty-six thousand, six hundred thirty-one".