10564535664 has 30 divisors (see below), whose sum is σ = 29566027296. Its totient is φ = 3521511840.

The previous prime is 10564535623. The next prime is 10564535669. The reversal of 10564535664 is 46653546501.

10564535664 is a `hidden beast` number, since 1 + 0 + 56 + 4 + 535 + 6 + 64 = 666.

It is a super-2 number, since 2×10564535664² (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 (10564535669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36682272 + ... + 36682559.

Almost surely, 2^10564535664 is an apocalyptic number.

It is an amenable number.

10564535664 is an abundant number, since it is smaller than the sum of its proper divisors (19001491632).

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

10564535664 is a wasteful number, since it uses less digits than its factorization.

10564535664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73364845 (or 73364836 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 10564535664 in words is "ten billion, five hundred sixty-four million, five hundred thirty-five thousand, six hundred sixty-four".