566818560 has 720 divisors, whose sum is σ = 2564255232. Its totient is φ = 116121600.

The previous prime is 566818559. The next prime is 566818597. The reversal of 566818560 is 65818665.

566818560 is a `hidden beast` number, since 5 + 6 + 6 + 81 + 8 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7983325 + ... + 7983395.

Almost surely, 2^566818560 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 566818560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1282127616).

566818560 is an abundant number, since it is smaller than the sum of its proper divisors (1997436672).

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

566818560 is a wasteful number, since it uses less digits than its factorization.

566818560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 566818560 is about 23807.9516128541. The cubic root of 566818560 is about 827.5889579219.

The spelling of 566818560 in words is "five hundred sixty-six million, eight hundred eighteen thousand, five hundred sixty".