572166 has 48 divisors (see below), whose sum is σ = 1497600. Its totient is φ = 154224.

The previous prime is 572161. The next prime is 572177. The reversal of 572166 is 661275.

572166 = T₁₈₈ + T₁₈₉ + ... + T₂₁₅.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 572166.

It is not an unprimeable number, because it can be changed into a prime (572161) by changing a digit.

572166 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 23 ways as a sum of consecutive naturals, for example, 2275 + ... + 2513.

It is an arithmetic number, because the mean of its divisors is an integer number (31200).

2⁵⁷²¹⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 572166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748800).

572166 is an abundant number, since it is smaller than the sum of its proper divisors (925434).

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

572166 is a wasteful number, since it uses less digits than its factorization.

572166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 270 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 572166 is about 756.4165519077. The cubic root of 572166 is about 83.0183343636.

The spelling of 572166 in words is "five hundred seventy-two thousand, one hundred sixty-six".