566643416 has 8 divisors (see below), whose sum is σ = 1062456420. Its totient is φ = 283321704.

The previous prime is 566643409. The next prime is 566643443. The reversal of 566643416 is 614346665.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×566643416² = 642169521792298112, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 35415206 + ... + 35415221.

Almost surely, 2^566643416 is an apocalyptic number.

It is an amenable number.

566643416 is a deficient number, since it is larger than the sum of its proper divisors (495813004).

566643416 is a wasteful number, since it uses less digits than its factorization.

566643416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70830433 (or 70830429 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 566643416 is about 23804.2730617845. The cubic root of 566643416 is about 827.5037089066.

The spelling of 566643416 in words is "five hundred sixty-six million, six hundred forty-three thousand, four hundred sixteen".