266172 has 24 divisors (see below), whose sum is σ = 637392. Its totient is φ = 86400.

The previous prime is 266159. The next prime is 266177. The reversal of 266172 is 271662.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266177) 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, 222 + ... + 762.

It is an arithmetic number, because the mean of its divisors is an integer number (26558).

2²⁶⁶¹⁷² is an apocalyptic number.

It is an amenable number.

266172 is an abundant number, since it is smaller than the sum of its proper divisors (371220).

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

266172 is a wasteful number, since it uses less digits than its factorization.

266172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 587 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 266172 is about 515.9185982304. The cubic root of 266172 is about 64.3261347209.

The spelling of 266172 in words is "two hundred sixty-six thousand, one hundred seventy-two".