568660864 has 16 divisors (see below), whose sum is σ = 1132879320. Its totient is φ = 284330368.

The previous prime is 568660843. The next prime is 568660879. The reversal of 568660864 is 468066865.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221204 + ... + 2221459.

Almost surely, 2^568660864 is an apocalyptic number.

It is an amenable number.

568660864 is a deficient number, since it is larger than the sum of its proper divisors (564218456).

568660864 is an equidigital number, since it uses as much as digits as its factorization.

568660864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442677 (or 4442665 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

The square root of 568660864 is about 23846.6111638530. The cubic root of 568660864 is about 828.4846128846.

The spelling of 568660864 in words is "five hundred sixty-eight million, six hundred sixty thousand, eight hundred sixty-four".