566166055556 has 6 divisors (see below), whose sum is σ = 990790597230. Its totient is φ = 283083027776.

The previous prime is 566166055541. The next prime is 566166055561. The reversal of 566166055556 is 655550661665.

It can be written as a sum of positive squares in only one way, i.e., 503248360000 + 62917695556 = 709400^2 + 250834^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70770756941 + ... + 70770756948.

It is an arithmetic number, because the mean of its divisors is an integer number (165131766205).

Almost surely, 2^566166055556 is an apocalyptic number.

It is an amenable number.

566166055556 is a deficient number, since it is larger than the sum of its proper divisors (424624541674).

566166055556 is a wasteful number, since it uses less digits than its factorization.

566166055556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141541513893 (or 141541513891 counting only the distinct ones).

The product of its (nonzero) digits is 24300000, while the sum is 56.

The spelling of 566166055556 in words is "five hundred sixty-six billion, one hundred sixty-six million, fifty-five thousand, five hundred fifty-six".