568675661 has 8 divisors (see below), whose sum is σ = 572546880. Its totient is φ = 564812512.

The previous prime is 568675649. The next prime is 568675663. The reversal of 568675661 is 166576865.

568675661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-568675661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568675663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212216 + ... + 214878.

It is an arithmetic number, because the mean of its divisors is an integer number (71568360).

Almost surely, 2^568675661 is an apocalyptic number.

It is an amenable number.

568675661 is a deficient number, since it is larger than the sum of its proper divisors (3871219).

568675661 is a wasteful number, since it uses less digits than its factorization.

568675661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035.

The product of its digits is 1814400, while the sum is 50.

The square root of 568675661 is about 23846.9214155622. The cubic root of 568675661 is about 828.4917987613.

The spelling of 568675661 in words is "five hundred sixty-eight million, six hundred seventy-five thousand, six hundred sixty-one".