65564444060 has 24 divisors (see below), whose sum is σ = 137710912416. Its totient is φ = 26220905280.

The previous prime is 65564444003. The next prime is 65564444137. The reversal of 65564444060 is 6044446556.

65564444060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 193187 + ... + 410426.

It is an arithmetic number, because the mean of its divisors is an integer number (5737954684).

Almost surely, 2^65564444060 is an apocalyptic number.

It is an amenable number.

65564444060 is an abundant number, since it is smaller than the sum of its proper divisors (72146468356).

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

65564444060 is a wasteful number, since it uses less digits than its factorization.

65564444060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609053 (or 609051 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 65564444060 in words is "sixty-five billion, five hundred sixty-four million, four hundred forty-four thousand, sixty".