568666 has 16 divisors (see below), whose sum is σ = 984960. Its totient is φ = 241200.

The previous prime is 568657. The next prime is 568669. The reversal of 568666 is 666865.

568666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

568666 is a modest number, since divided by 666 gives 568 as remainder.

It is not an unprimeable number, because it can be changed into a prime (568669) 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, 1980 + ... + 2248.

It is an arithmetic number, because the mean of its divisors is an integer number (61560).

2⁵⁶⁸⁶⁶⁶ is an apocalyptic number.

568666 is a deficient number, since it is larger than the sum of its proper divisors (416294).

568666 is a wasteful number, since it uses less digits than its factorization.

568666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429.

The product of its digits is 51840, while the sum is 37.

The square root of 568666 is about 754.0994629358. The cubic root of 568666 is about 82.8487107098.

The spelling of 568666 in words is "five hundred sixty-eight thousand, six hundred sixty-six".