566545560 has 128 divisors (see below), whose sum is σ = 1947179520. Its totient is φ = 129180672.

The previous prime is 566545559. The next prime is 566545571. The reversal of 566545560 is 65545665.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 660652 + ... + 661508.

It is an arithmetic number, because the mean of its divisors is an integer number (15212340).

Almost surely, 2^566545560 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 566545560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (973589760).

566545560 is an abundant number, since it is smaller than the sum of its proper divisors (1380633960).

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

566545560 is a wasteful number, since it uses less digits than its factorization.

566545560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665 (or 1661 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

The square root of 566545560 is about 23802.2175437500. The cubic root of 566545560 is about 827.4560711492.

The spelling of 566545560 in words is "five hundred sixty-six million, five hundred forty-five thousand, five hundred sixty".