568221696 has 224 divisors, whose sum is σ = 1929262080. Its totient is φ = 161906688.

The previous prime is 568221677. The next prime is 568221697. The reversal of 568221696 is 696122865.

568221696 is a `hidden beast` number, since 568 + 2 + 21 + 69 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568221697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1548105 + ... + 1548471.

Almost surely, 2^568221696 is an apocalyptic number.

568221696 is a gapful number since it is divisible by the number (56) 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 568221696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (964631040).

568221696 is an abundant number, since it is smaller than the sum of its proper divisors (1361040384).

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

568221696 is an equidigital number, since it uses as much as digits as its factorization.

568221696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 379 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 568221696 is about 23837.4012006343. The cubic root of 568221696 is about 828.2712826689.

The spelling of 568221696 in words is "five hundred sixty-eight million, two hundred twenty-one thousand, six hundred ninety-six".