566764560 has 80 divisors (see below), whose sum is σ = 1952196480. Its totient is φ = 151136640.

The previous prime is 566764531. The next prime is 566764567. The reversal of 566764560 is 65467665.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (566764567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129036 + ... + 133355.

It is an arithmetic number, because the mean of its divisors is an integer number (24402456).

Almost surely, 2^566764560 is an apocalyptic number.

It is an amenable number.

566764560 is an abundant number, since it is smaller than the sum of its proper divisors (1385431920).

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

566764560 is a wasteful number, since it uses less digits than its factorization.

566764560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262413 (or 262401 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 566764560 is about 23806.8175109568. The cubic root of 566764560 is about 827.5626760120.

The spelling of 566764560 in words is "five hundred sixty-six million, seven hundred sixty-four thousand, five hundred sixty".