566445966 has 16 divisors (see below), whose sum is σ = 1159238784. Its totient is φ = 184424184.

The previous prime is 566445959. The next prime is 566445973. The reversal of 566445966 is 669544665.

It is an interprime number because it is at equal distance from previous prime (566445959) and next prime (566445973).

It is a super-2 number, since 2×566445966² = 641722064795346312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097506 + ... + 1098021.

It is an arithmetic number, because the mean of its divisors is an integer number (72452424).

Almost surely, 2^566445966 is an apocalyptic number.

566445966 is an abundant number, since it is smaller than the sum of its proper divisors (592792818).

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

566445966 is a wasteful number, since it uses less digits than its factorization.

566445966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195575.

The product of its digits is 4665600, while the sum is 51.

The square root of 566445966 is about 23800.1253358044. The cubic root of 566445966 is about 827.4075816747.

The spelling of 566445966 in words is "five hundred sixty-six million, four hundred forty-five thousand, nine hundred sixty-six".