568578816 has 216 divisors, whose sum is σ = 1812422976. Its totient is φ = 170311680.

The previous prime is 568578779. The next prime is 568578827. The reversal of 568578816 is 618875865.

568578816 is a `hidden beast` number, since 5 + 68 + 578 + 8 + 1 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1227801 + ... + 1228263.

Almost surely, 2^568578816 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 568578816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (906211488).

568578816 is an abundant number, since it is smaller than the sum of its proper divisors (1243844160).

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

568578816 is a wasteful number, since it uses less digits than its factorization.

568578816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 522 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 54.

The square root of 568578816 is about 23844.8907734970. The cubic root of 568578816 is about 828.4447655993. Note that the first 3 decimals are identical.

The spelling of 568578816 in words is "five hundred sixty-eight million, five hundred seventy-eight thousand, eight hundred sixteen".