568361664 has 112 divisors (see below), whose sum is σ = 1799478240. Its totient is φ = 174873600.

The previous prime is 568361653. The next prime is 568361681. The reversal of 568361664 is 466163865.

It is a super-2 number, since 2×568361664² = 646069962209697792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9814 + ... + 35114.

It is an arithmetic number, because the mean of its divisors is an integer number (16066770).

Almost surely, 2^568361664 is an apocalyptic number.

568361664 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 568361664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899739120).

568361664 is an abundant number, since it is smaller than the sum of its proper divisors (1231116576).

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

568361664 is a wasteful number, since it uses less digits than its factorization.

568361664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25335 (or 25319 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 568361664 is about 23840.3369103710. The cubic root of 568361664 is about 828.3392854444.

The spelling of 568361664 in words is "five hundred sixty-eight million, three hundred sixty-one thousand, six hundred sixty-four".