566464645 has 4 divisors (see below), whose sum is σ = 679757580. Its totient is φ = 453171712.

The previous prime is 566464601. The next prime is 566464649. The reversal of 566464645 is 546464665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546464665 = 5 ⋅109292933.

It can be written as a sum of positive squares in 2 ways, for example, as 260144641 + 306320004 = 16129^2 + 17502^2 .

It is a cyclic number.

It is not a de Polignac number, because 566464645 - 2⁷ = 566464517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 566464595 and 566464604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566464649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56646460 + ... + 56646469.

It is an arithmetic number, because the mean of its divisors is an integer number (169939395).

Almost surely, 2^566464645 is an apocalyptic number.

It is an amenable number.

566464645 is a deficient number, since it is larger than the sum of its proper divisors (113292935).

566464645 is a wasteful number, since it uses less digits than its factorization.

566464645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113292934.

The product of its digits is 2073600, while the sum is 46.

The square root of 566464645 is about 23800.5177464693. The cubic root of 566464645 is about 827.4166763794.

The spelling of 566464645 in words is "five hundred sixty-six million, four hundred sixty-four thousand, six hundred forty-five".