566561073 has 8 divisors (see below), whose sum is σ = 813523648. Its totient is φ = 348652944.

The previous prime is 566561069. The next prime is 566561087. The reversal of 566561073 is 370165665.

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

It is not a de Polignac number, because 566561073 - 2² = 566561069 is a prime.

It is a super-2 number, since 2×566561073² = 641982898877822658, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 14527207 = 566561073 / (5 + 6 + 6 + 5 + 6 + 1 + 0 + 7 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566561003) 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 7 ways as a sum of consecutive naturals, for example, 7263565 + ... + 7263642.

It is an arithmetic number, because the mean of its divisors is an integer number (101690456).

Almost surely, 2^566561073 is an apocalyptic number.

It is an amenable number.

566561073 is a deficient number, since it is larger than the sum of its proper divisors (246962575).

566561073 is a wasteful number, since it uses less digits than its factorization.

566561073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14527223.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 566561073 is about 23802.5434145177. The cubic root of 566561073 is about 827.4636234743.

The spelling of 566561073 in words is "five hundred sixty-six million, five hundred sixty-one thousand, seventy-three".