64416794228631 has 40 divisors (see below), whose sum is σ = 103681520712000. Its totient is φ = 39621272378688.

The previous prime is 64416794228603. The next prime is 64416794228641. The reversal of 64416794228631 is 13682249761446.

64416794228631 is a `hidden beast` number, since 6 + 4 + 41 + 67 + 9 + 422 + 86 + 31 = 666.

It is not a de Polignac number, because 64416794228631 - 2⁵ = 64416794228599 is a prime.

It is a super-2 number, since 2×64416794228631² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64416794228641) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13196340 + ... + 17406233.

It is an arithmetic number, because the mean of its divisors is an integer number (2592038017800).

Almost surely, 2^{64416794228631} is an apocalyptic number.

64416794228631 is a deficient number, since it is larger than the sum of its proper divisors (39264726483369).

64416794228631 is a wasteful number, since it uses less digits than its factorization.

64416794228631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30604597 (or 30604588 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 63.

The spelling of 64416794228631 in words is "sixty-four trillion, four hundred sixteen billion, seven hundred ninety-four million, two hundred twenty-eight thousand, six hundred thirty-one".