566531628 has 48 divisors (see below), whose sum is σ = 1450473696. Its totient is φ = 171025920.

The previous prime is 566531627. The next prime is 566531657. The reversal of 566531628 is 826135665.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 566531628.

It is not an unprimeable number, because it can be changed into a prime (566531627) 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, 25993 + ... + 42528.

It is an arithmetic number, because the mean of its divisors is an integer number (30218202).

Almost surely, 2^566531628 is an apocalyptic number.

It is an amenable number.

566531628 is an abundant number, since it is smaller than the sum of its proper divisors (883942068).

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

566531628 is a wasteful number, since it uses less digits than its factorization.

566531628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68594 (or 68592 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 566531628 is about 23801.9248801436. The cubic root of 566531628 is about 827.4492883981.

The spelling of 566531628 in words is "five hundred sixty-six million, five hundred thirty-one thousand, six hundred twenty-eight".