10664623431 has 64 divisors (see below), whose sum is σ = 19893427200. Its totient is φ = 5485104000.

The previous prime is 10664623393. The next prime is 10664623433. The reversal of 10664623431 is 13432646601.

10664623431 is a `hidden beast` number, since 1 + 0 + 6 + 646 + 2 + 3 + 4 + 3 + 1 = 666.

It is not a de Polignac number, because 10664623431 - 2⁶ = 10664623367 is a prime.

It is a super-2 number, since 2×10664623431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10664623433) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 184585 + ... + 235373.

It is an arithmetic number, because the mean of its divisors is an integer number (310834800).

Almost surely, 2^10664623431 is an apocalyptic number.

10664623431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10664623431 is a deficient number, since it is larger than the sum of its proper divisors (9228803769).

10664623431 is a wasteful number, since it uses less digits than its factorization.

10664623431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50917 (or 50911 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 10664623431 in words is "ten billion, six hundred sixty-four million, six hundred twenty-three thousand, four hundred thirty-one".