568169988 has 48 divisors (see below), whose sum is σ = 1407067200. Its totient is φ = 177823744.

The previous prime is 568169963. The next prime is 568169993. The reversal of 568169988 is 889961865.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88495 + ... + 94697.

It is an arithmetic number, because the mean of its divisors is an integer number (29313900).

Almost surely, 2^568169988 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 568169988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703533600).

568169988 is an abundant number, since it is smaller than the sum of its proper divisors (838897212).

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

568169988 is a wasteful number, since it uses less digits than its factorization.

568169988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6676 (or 6674 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 60.

The square root of 568169988 is about 23836.3165778608. The cubic root of 568169988 is about 828.2461577626.

The spelling of 568169988 in words is "five hundred sixty-eight million, one hundred sixty-nine thousand, nine hundred eighty-eight".