64232902566 has 48 divisors (see below), whose sum is σ = 159472684800. Its totient is φ = 18303821424.

The previous prime is 64232902537. The next prime is 64232902589. The reversal of 64232902566 is 66520923246.

64232902566 is a `hidden beast` number, since 64 + 2 + 3 + 29 + 0 + 2 + 566 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 624786 + ... + 720293.

It is an arithmetic number, because the mean of its divisors is an integer number (3322347600).

Almost surely, 2^64232902566 is an apocalyptic number.

64232902566 is an abundant number, since it is smaller than the sum of its proper divisors (95239782234).

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

64232902566 is a wasteful number, since it uses less digits than its factorization.

64232902566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345473 (or 1345470 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 64232902566 in words is "sixty-four billion, two hundred thirty-two million, nine hundred two thousand, five hundred sixty-six".