566358660 has 216 divisors, whose sum is σ = 2016083160. Its totient is φ = 128314368.

The previous prime is 566358643. The next prime is 566358671. The reversal of 566358660 is 66853665.

566358660 is a `hidden beast` number, since 5 + 6 + 6 + 3 + 586 + 60 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 111133764 + 455224896 = 10542^2 + 21336^2 .

It is a super-3 number, since 3×566358660³ (a number of 27 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1384536 + ... + 1384944.

Almost surely, 2^566358660 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 566358660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1008041580).

566358660 is an abundant number, since it is smaller than the sum of its proper divisors (1449724500).

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

566358660 is a wasteful number, since it uses less digits than its factorization.

566358660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 566358660 is about 23798.2911151200. The cubic root of 566358660 is about 827.3650702012.

The spelling of 566358660 in words is "five hundred sixty-six million, three hundred fifty-eight thousand, six hundred sixty".