4520659664 has 40 divisors (see below), whose sum is σ = 9537708000. Its totient is φ = 2067520896.

The previous prime is 4520659643. The next prime is 4520659679. The reversal of 4520659664 is 4669560254.

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, 247574 + ... + 265205.

It is an arithmetic number, because the mean of its divisors is an integer number (238442700).

Almost surely, 2^4520659664 is an apocalyptic number.

It is an amenable number.

4520659664 is an abundant number, since it is smaller than the sum of its proper divisors (5017048336).

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

4520659664 is a wasteful number, since it uses less digits than its factorization.

4520659664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512835 (or 512829 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The square root of 4520659664 is about 67235.8510320201. The cubic root of 4520659664 is about 1653.4863125155.

The spelling of 4520659664 in words is "four billion, five hundred twenty million, six hundred fifty-nine thousand, six hundred sixty-four".