568661564780045 has 16 divisors (see below), whose sum is σ = 783610194530880. Its totient is φ = 391805097264000.

The previous prime is 568661564780041. The next prime is 568661564780047. The reversal of 568661564780045 is 540087465166865.

It is not a de Polignac number, because 568661564780045 - 2² = 568661564780041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568661564780041) 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, 272086872056 + ... + 272086874145.

It is an arithmetic number, because the mean of its divisors is an integer number (48975637158180).

Almost surely, 2^{568661564780045} is an apocalyptic number.

568661564780045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

568661564780045 is a deficient number, since it is larger than the sum of its proper divisors (214948629750835).

568661564780045 is a wasteful number, since it uses less digits than its factorization.

568661564780045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544173746236.

The product of its (nonzero) digits is 1161216000, while the sum is 71.

The spelling of 568661564780045 in words is "five hundred sixty-eight trillion, six hundred sixty-one billion, five hundred sixty-four million, seven hundred eighty thousand, forty-five".