632646431022231 has 72 divisors (see below), whose sum is σ = 934630831854720. Its totient is φ = 412367157603648.

The previous prime is 632646431022167. The next prime is 632646431022239. The reversal of 632646431022231 is 132220134646236.

632646431022231 is a `hidden beast` number, since 6 + 3 + 26 + 4 + 64 + 310 + 22 + 231 = 666.

It is not a de Polignac number, because 632646431022231 - 2⁶ = 632646431022167 is a prime.

It is a super-2 number, since 2×632646431022231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632646431022239) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 67887797790 + ... + 67887807108.

It is an arithmetic number, because the mean of its divisors is an integer number (12980983775760).

Almost surely, 2^{632646431022231} is an apocalyptic number.

632646431022231 is a deficient number, since it is larger than the sum of its proper divisors (301984400832489).

632646431022231 is a wasteful number, since it uses less digits than its factorization.

632646431022231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18485 (or 18429 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 45.

Adding to 632646431022231 its reverse (132220134646236), we get a palindrome (764866565668467).

The spelling of 632646431022231 in words is "six hundred thirty-two trillion, six hundred forty-six billion, four hundred thirty-one million, twenty-two thousand, two hundred thirty-one".