566108665920 has 2016 divisors, whose sum is σ = 2536823577600. Its totient is φ = 114969673728.

The previous prime is 566108665901. The next prime is 566108665931. The reversal of 566108665920 is 29566801665.

566108665920 is a `hidden beast` number, since 566 + 1 + 0 + 8 + 6 + 6 + 59 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (2016).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 5496200589 + ... + 5496200691.

Almost surely, 2^566108665920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 566108665920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1268411788800).

566108665920 is an abundant number, since it is smaller than the sum of its proper divisors (1970714911680).

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

566108665920 is a wasteful number, since it uses less digits than its factorization.

566108665920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 566108665920 in words is "five hundred sixty-six billion, one hundred eight million, six hundred sixty-five thousand, nine hundred twenty".