566961 has 8 divisors (see below), whose sum is σ = 772224. Its totient is φ = 369840.

The previous prime is 566947. The next prime is 566963. The reversal of 566961 is 169665.

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

It is not a de Polignac number, because 566961 - 2⁷ = 566833 is a prime.

566961 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 566961.

It is not an unprimeable number, because it can be changed into a prime (566963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870 + ... + 2151.

It is an arithmetic number, because the mean of its divisors is an integer number (96528).

2⁵⁶⁶⁹⁶¹ is an apocalyptic number.

It is an amenable number.

566961 is a deficient number, since it is larger than the sum of its proper divisors (205263).

566961 is a wasteful number, since it uses less digits than its factorization.

566961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071.

The product of its digits is 9720, while the sum is 33.

The square root of 566961 is about 752.9681268155. The cubic root of 566961 is about 82.7658275752.

It can be divided in two parts, 5 and 66961, that added together give a palindrome (66966).

The spelling of 566961 in words is "five hundred sixty-six thousand, nine hundred sixty-one".