568393668 has 36 divisors (see below), whose sum is σ = 1437724288. Its totient is φ = 189339120.

The previous prime is 568393633. The next prime is 568393681. The reversal of 568393668 is 866393865.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61605 + ... + 70227.

Almost surely, 2^568393668 is an apocalyptic number.

It is an amenable number.

568393668 is an abundant number, since it is smaller than the sum of its proper divisors (869330620).

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

568393668 is a wasteful number, since it uses less digits than its factorization.

568393668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10464 (or 10459 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 568393668 is about 23841.0081162689. The cubic root of 568393668 is about 828.3548328646.

The spelling of 568393668 in words is "five hundred sixty-eight million, three hundred ninety-three thousand, six hundred sixty-eight".