568661564110228 has 6 divisors (see below), whose sum is σ = 995157737192906. Its totient is φ = 284330782055112.

The previous prime is 568661564110223. The next prime is 568661564110253. The reversal of 568661564110228 is 822011465166865.

It can be written as a sum of positive squares in only one way, i.e., 345902416796304 + 222759147313924 = 18598452^2 + 14925118^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568661564110223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71082695513775 + ... + 71082695513782.

Almost surely, 2^{568661564110228} is an apocalyptic number.

It is an amenable number.

568661564110228 is a deficient number, since it is larger than the sum of its proper divisors (426496173082678).

568661564110228 is a wasteful number, since it uses less digits than its factorization.

568661564110228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142165391027561 (or 142165391027559 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 61.

The spelling of 568661564110228 in words is "five hundred sixty-eight trillion, six hundred sixty-one billion, five hundred sixty-four million, one hundred ten thousand, two hundred twenty-eight".