64601590764 has 24 divisors (see below), whose sum is σ = 150763682160. Its totient is φ = 21530058304.

The previous prime is 64601590763. The next prime is 64601590771. The reversal of 64601590764 is 46709510646.

64601590764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64601590763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404499 + ... + 541130.

It is an arithmetic number, because the mean of its divisors is an integer number (6281820090).

Almost surely, 2^64601590764 is an apocalyptic number.

It is an amenable number.

64601590764 is an abundant number, since it is smaller than the sum of its proper divisors (86162091396).

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

64601590764 is a wasteful number, since it uses less digits than its factorization.

64601590764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951329 (or 951327 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 64601590764 in words is "sixty-four billion, six hundred one million, five hundred ninety thousand, seven hundred sixty-four".