568120668 has 24 divisors (see below), whose sum is σ = 1326019968. Its totient is φ = 189315696.

The previous prime is 568120649. The next prime is 568120711. The reversal of 568120668 is 866021865.

It is a super-2 number, since 2×568120668² = 645522186817532448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55305 + ... + 64767.

It is an arithmetic number, because the mean of its divisors is an integer number (55250832).

Almost surely, 2^568120668 is an apocalyptic number.

It is an amenable number.

568120668 is an abundant number, since it is smaller than the sum of its proper divisors (757899300).

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

568120668 is a wasteful number, since it uses less digits than its factorization.

568120668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14473 (or 14471 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 568120668 is about 23835.2819995904. The cubic root of 568120668 is about 828.2221917645. Note that the first 3 decimals are identical.

The spelling of 568120668 in words is "five hundred sixty-eight million, one hundred twenty thousand, six hundred sixty-eight".