568566660 has 96 divisors (see below), whose sum is σ = 1651507200. Its totient is φ = 145998720.

The previous prime is 568566643. The next prime is 568566667. The reversal of 568566660 is 66665865.

It is not an unprimeable number, because it can be changed into a prime (568566667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 443901 + ... + 445179.

It is an arithmetic number, because the mean of its divisors is an integer number (17203200).

Almost surely, 2^568566660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 568566660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825753600).

568566660 is an abundant number, since it is smaller than the sum of its proper divisors (1082940540).

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

568566660 is a wasteful number, since it uses less digits than its factorization.

568566660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561 (or 1559 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The square root of 568566660 is about 23844.6358747623. The cubic root of 568566660 is about 828.4388616120.

The spelling of 568566660 in words is "five hundred sixty-eight million, five hundred sixty-six thousand, six hundred sixty".