568815145645208 has 128 divisors (see below), whose sum is σ = 1370486027312640. Its totient is φ = 214884565632000.

The previous prime is 568815145645051. The next prime is 568815145645231. The reversal of 568815145645208 is 802546541518865.

It is a super-2 number, since 2×568815145645208² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64969103 + ... + 73202558.

It is an arithmetic number, because the mean of its divisors is an integer number (10706922088380).

Almost surely, 2^{568815145645208} is an apocalyptic number.

It is an amenable number.

568815145645208 is an abundant number, since it is smaller than the sum of its proper divisors (801670881667432).

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

568815145645208 is a wasteful number, since it uses less digits than its factorization.

568815145645208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138171889 (or 138171885 counting only the distinct ones).

The product of its (nonzero) digits is 368640000, while the sum is 68.

The spelling of 568815145645208 in words is "five hundred sixty-eight trillion, eight hundred fifteen billion, one hundred forty-five million, six hundred forty-five thousand, two hundred eight".