64548831564316 has 24 divisors (see below), whose sum is σ = 123230632734720. Its totient is φ = 29340129126000.

The previous prime is 64548831564299. The next prime is 64548831564353. The reversal of 64548831564316 is 61346513884546.

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, 924210 + ... + 11399641.

It is an arithmetic number, because the mean of its divisors is an integer number (5134609697280).

Almost surely, 2^{64548831564316} is an apocalyptic number.

It is an amenable number.

64548831564316 is a deficient number, since it is larger than the sum of its proper divisors (58681801170404).

64548831564316 is a wasteful number, since it uses less digits than its factorization.

64548831564316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12442905 (or 12442903 counting only the distinct ones).

The product of its digits is 199065600, while the sum is 64.

The spelling of 64548831564316 in words is "sixty-four trillion, five hundred forty-eight billion, eight hundred thirty-one million, five hundred sixty-four thousand, three hundred sixteen".