566166 has 16 divisors (see below), whose sum is σ = 1142784. Its totient is φ = 186984.

The previous prime is 566161. The next prime is 566173. The reversal of 566166 is 661665.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566161) by changing a digit.

566166 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391 + ... + 1133.

It is an arithmetic number, because the mean of its divisors is an integer number (71424).

2⁵⁶⁶¹⁶⁶ is an apocalyptic number.

566166 is an abundant number, since it is smaller than the sum of its proper divisors (576618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

566166 is a wasteful number, since it uses less digits than its factorization.

566166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875.

The product of its digits is 6480, while the sum is 30.

The square root of 566166 is about 752.4400308330. The cubic root of 566166 is about 82.7271243772.

The spelling of 566166 in words is "five hundred sixty-six thousand, one hundred sixty-six".