566464860 has 384 divisors, whose sum is σ = 2077286400. Its totient is φ = 126904320.

The previous prime is 566464853. The next prime is 566464883. The reversal of 566464860 is 68464665.

566464860 is a `hidden beast` number, since 566 + 4 + 6 + 4 + 86 + 0 = 666.

It is a super-2 number, since 2×566464860² = 641764875229639200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4134712 + ... + 4134848.

It is an arithmetic number, because the mean of its divisors is an integer number (5409600).

Almost surely, 2^566464860 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 566464860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1038643200).

566464860 is an abundant number, since it is smaller than the sum of its proper divisors (1510821540).

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

566464860 is a wasteful number, since it uses less digits than its factorization.

566464860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 566464860 is about 23800.5222631773. The cubic root of 566464860 is about 827.4167810606.

The spelling of 566464860 in words is "five hundred sixty-six million, four hundred sixty-four thousand, eight hundred sixty".