64113706164 has 48 divisors (see below), whose sum is σ = 151435827200. Its totient is φ = 21110253696.

The previous prime is 64113706123. The next prime is 64113706199. The reversal of 64113706164 is 46160731146.

It is a super-2 number, since 2×64113706164² (a number of 22 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 15 ways as a sum of consecutive naturals, for example, 257142 + ... + 440850.

Almost surely, 2^64113706164 is an apocalyptic number.

It is an amenable number.

64113706164 is an abundant number, since it is smaller than the sum of its proper divisors (87322121036).

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

64113706164 is a wasteful number, since it uses less digits than its factorization.

64113706164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184072 (or 184070 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 64113706164 in words is "sixty-four billion, one hundred thirteen million, seven hundred six thousand, one hundred sixty-four".