566561141305254 has 24 divisors (see below), whose sum is σ = 1228208757589632. Its totient is φ = 188752234061520.

The previous prime is 566561141305219. The next prime is 566561141305303. The reversal of 566561141305254 is 452503141165665.

566561141305254 is a `hidden beast` number, since 5 + 6 + 6 + 5 + 611 + 4 + 13 + 0 + 5 + 2 + 5 + 4 = 666.

It is a super-2 number, since 2×566561141305254² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 566561141305254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8456607814 + ... + 8456674809.

It is an arithmetic number, because the mean of its divisors is an integer number (51175364899568).

Almost surely, 2^{566561141305254} is an apocalyptic number.

566561141305254 is an abundant number, since it is smaller than the sum of its proper divisors (661647616284378).

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

566561141305254 is a wasteful number, since it uses less digits than its factorization.

566561141305254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16913284492 (or 16913284489 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 54.

The spelling of 566561141305254 in words is "five hundred sixty-six trillion, five hundred sixty-one billion, one hundred forty-one million, three hundred five thousand, two hundred fifty-four".