566531460 has 144 divisors (see below), whose sum is σ = 1985098752. Its totient is φ = 129254400.

The previous prime is 566531419. The next prime is 566531519. The reversal of 566531460 is 64135665.

566531460 is a `hidden beast` number, since 5 + 66 + 531 + 4 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25245 + ... + 42075.

It is an arithmetic number, because the mean of its divisors is an integer number (13785408).

Almost surely, 2^566531460 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 566531460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (992549376).

566531460 is an abundant number, since it is smaller than the sum of its proper divisors (1418567292).

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

566531460 is a wasteful number, since it uses less digits than its factorization.

566531460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16874 (or 16869 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 566531460 is about 23801.9213510170. The cubic root of 566531460 is about 827.4492066071.

The spelling of 566531460 in words is "five hundred sixty-six million, five hundred thirty-one thousand, four hundred sixty".