568928891668 has 12 divisors (see below), whose sum is σ = 995661062452. Its totient is φ = 284454302400.

The previous prime is 568928891659. The next prime is 568928891711. The reversal of 568928891668 is 866198829865.

It is a happy number.

568928891668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 469679950224 + 99248941444 = 685332^2 + 315038^2 .

It is a junction number, because it is equal to n+sod(n) for n = 568928891594 and 568928891603.

It is a congruent number.

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, 2408955 + ... + 2634562.

Almost surely, 2^568928891668 is an apocalyptic number.

It is an amenable number.

568928891668 is a deficient number, since it is larger than the sum of its proper divisors (426732170784).

568928891668 is a wasteful number, since it uses less digits than its factorization.

568928891668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071722 (or 5071720 counting only the distinct ones).

The product of its digits is 716636160, while the sum is 76.

The spelling of 568928891668 in words is "five hundred sixty-eight billion, nine hundred twenty-eight million, eight hundred ninety-one thousand, six hundred sixty-eight".