566387645 has 4 divisors (see below), whose sum is σ = 679665180. Its totient is φ = 453110112.

The previous prime is 566387621. The next prime is 566387659. The reversal of 566387645 is 546783665.

566387645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 147816964 + 418570681 = 12158^2 + 20459^2 .

It is a cyclic number.

It is not a de Polignac number, because 566387645 - 2¹⁴ = 566371261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 566387593 and 566387602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56638760 + ... + 56638769.

It is an arithmetic number, because the mean of its divisors is an integer number (169916295).

Almost surely, 2^566387645 is an apocalyptic number.

It is an amenable number.

566387645 is a deficient number, since it is larger than the sum of its proper divisors (113277535).

566387645 is a wasteful number, since it uses less digits than its factorization.

566387645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113277534.

The product of its digits is 3628800, while the sum is 50.

The square root of 566387645 is about 23798.9000796255. The cubic root of 566387645 is about 827.3791842066.

The spelling of 566387645 in words is "five hundred sixty-six million, three hundred eighty-seven thousand, six hundred forty-five".