563166 has 16 divisors (see below), whose sum is σ = 1251600. Its totient is φ = 187704.

The previous prime is 563153. The next prime is 563183. The reversal of 563166 is 661365.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5161 + ... + 5268.

It is an arithmetic number, because the mean of its divisors is an integer number (78225).

2⁵⁶³¹⁶⁶ is an apocalyptic number.

563166 is an abundant number, since it is smaller than the sum of its proper divisors (688434).

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

563166 is a wasteful number, since it uses less digits than its factorization.

563166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10440 (or 10434 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 563166 is about 750.4438686537. The cubic root of 563166 is about 82.5807473885.

It can be divided in two parts, 563 and 166, that added together give a 6-th power (729 = 3⁶).

The spelling of 563166 in words is "five hundred sixty-three thousand, one hundred sixty-six".