566403643 has 8 divisors (see below), whose sum is σ = 624851136. Its totient is φ = 510081600.

The previous prime is 566403631. The next prime is 566403667. The reversal of 566403643 is 346304665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-566403643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (566403613) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 530803 + ... + 531868.

It is an arithmetic number, because the mean of its divisors is an integer number (78106392).

Almost surely, 2^566403643 is an apocalyptic number.

566403643 is a deficient number, since it is larger than the sum of its proper divisors (58447493).

566403643 is a wasteful number, since it uses less digits than its factorization.

566403643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062725.

The product of its (nonzero) digits is 155520, while the sum is 37.

The square root of 566403643 is about 23799.2361852224. The cubic root of 566403643 is about 827.3869740938.

The spelling of 566403643 in words is "five hundred sixty-six million, four hundred three thousand, six hundred forty-three".