566166366 has 24 divisors (see below), whose sum is σ = 1227202704. Its totient is φ = 188643840.

The previous prime is 566166353. The next prime is 566166401. The reversal of 566166366 is 663661665.

566166366 is a `hidden beast` number, since 5 + 6 + 6 + 1 + 6 + 636 + 6 = 666.

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, 52510 + ... + 62366.

It is an arithmetic number, because the mean of its divisors is an integer number (51133446).

Almost surely, 2^566166366 is an apocalyptic number.

566166366 is an abundant number, since it is smaller than the sum of its proper divisors (661036338).

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

566166366 is a wasteful number, since it uses less digits than its factorization.

566166366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13056 (or 13053 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The square root of 566166366 is about 23794.2506921315. The cubic root of 566166366 is about 827.2714220360.

It can be divided in two parts, 5661 and 66366, that added together give a palindrome (72027).

The spelling of 566166366 in words is "five hundred sixty-six million, one hundred sixty-six thousand, three hundred sixty-six".