566216 has 16 divisors (see below), whose sum is σ = 1213440. Its totient is φ = 242640.

The previous prime is 566213. The next prime is 566227. The reversal of 566216 is 612665.

566216 = T₂₅₈ + T₂₅₉ + ... + T₂₇₃.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000 + ... + 5111.

It is an arithmetic number, because the mean of its divisors is an integer number (75840).

2⁵⁶⁶²¹⁶ is an apocalyptic number.

566216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

566216 is an abundant number, since it is smaller than the sum of its proper divisors (647224).

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

566216 is a wasteful number, since it uses less digits than its factorization.

566216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10124 (or 10120 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 566216 is about 752.4732553387. The cubic root of 566216 is about 82.7295596079.

The spelling of 566216 in words is "five hundred sixty-six thousand, two hundred sixteen".