64113763120 has 80 divisors (see below), whose sum is σ = 166582150560. Its totient is φ = 22745446400.

The previous prime is 64113763099. The next prime is 64113763123. The reversal of 64113763120 is 2136731146.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×64113763120² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64113763123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 852415 + ... + 924574.

It is an arithmetic number, because the mean of its divisors is an integer number (2082276882).

Almost surely, 2^64113763120 is an apocalyptic number.

It is an amenable number.

64113763120 is an abundant number, since it is smaller than the sum of its proper divisors (102468387440).

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

64113763120 is a wasteful number, since it uses less digits than its factorization.

64113763120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777054 (or 1777048 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 64113763120 in words is "sixty-four billion, one hundred thirteen million, seven hundred sixty-three thousand, one hundred twenty".