10534643664 has 40 divisors (see below), whose sum is σ = 27244482432. Its totient is φ = 3507678720.

The previous prime is 10534643653. The next prime is 10534643677. The reversal of 10534643664 is 46634643501.

It is a super-2 number, since 2×10534643664² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76729 + ... + 164184.

Almost surely, 2^10534643664 is an apocalyptic number.

It is an amenable number.

10534643664 is an abundant number, since it is smaller than the sum of its proper divisors (16709838768).

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

10534643664 is a wasteful number, since it uses less digits than its factorization.

10534643664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241835 (or 241829 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 10534643664 in words is "ten billion, five hundred thirty-four million, six hundred forty-three thousand, six hundred sixty-four".