568681731072 has 880 divisors, whose sum is σ = 2127175585920. Its totient is φ = 147324469248.

The previous prime is 568681731049. The next prime is 568681731119. The reversal of 568681731072 is 270137186865.

It is a happy number.

568681731072 is a `hidden beast` number, since 568 + 6 + 8 + 1 + 7 + 3 + 1 + 0 + 72 = 666.

It is a super-2 number, since 2×568681731072² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 445325698 + ... + 445326974.

It is an arithmetic number, because the mean of its divisors is an integer number (2417244984).

Almost surely, 2^568681731072 is an apocalyptic number.

568681731072 is a gapful number since it is divisible by the number (52) 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 568681731072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1063587792960).

568681731072 is an abundant number, since it is smaller than the sum of its proper divisors (1558493854848).

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

568681731072 is a wasteful number, since it uses less digits than its factorization.

568681731072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388 (or 1361 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 568681731072 in words is "five hundred sixty-eight billion, six hundred eighty-one million, seven hundred thirty-one thousand, seventy-two".