64557875546 has 16 divisors (see below), whose sum is σ = 97027718400. Its totient is φ = 32215339728.

The previous prime is 64557875509. The next prime is 64557875567.

64557875546 is nontrivially palindromic in base 10.

64557875546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4552415 + ... + 4566573.

It is an arithmetic number, because the mean of its divisors is an integer number (6064232400).

Almost surely, 2^64557875546 is an apocalyptic number.

64557875546 is a deficient number, since it is larger than the sum of its proper divisors (32469842854).

64557875546 is a wasteful number, since it uses less digits than its factorization.

64557875546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18493.

The product of its digits is 141120000, while the sum is 62.

The spelling of 64557875546 in words is "sixty-four billion, five hundred fifty-seven million, eight hundred seventy-five thousand, five hundred forty-six".