64017250568 has 16 divisors (see below), whose sum is σ = 120045134160. Its totient is φ = 32005214800.

The previous prime is 64017250559. The next prime is 64017250663. The reversal of 64017250568 is 86505271046.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345638 + ... + 497493.

It is an arithmetic number, because the mean of its divisors is an integer number (7502820885).

Almost surely, 2^64017250568 is an apocalyptic number.

It is an amenable number.

64017250568 is a deficient number, since it is larger than the sum of its proper divisors (56027883592).

64017250568 is a wasteful number, since it uses less digits than its factorization.

64017250568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852628 (or 852624 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 64017250568 in words is "sixty-four billion, seventeen million, two hundred fifty thousand, five hundred sixty-eight".