266167 has 4 divisors (see below), whose sum is σ = 290376. Its totient is φ = 241960.

The previous prime is 266159. The next prime is 266177. The reversal of 266167 is 761662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 266167 - 2³ = 266159 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12088 + ... + 12109.

It is an arithmetic number, because the mean of its divisors is an integer number (72594).

2²⁶⁶¹⁶⁷ is an apocalyptic number.

266167 is a deficient number, since it is larger than the sum of its proper divisors (24209).

266167 is a wasteful number, since it uses less digits than its factorization.

266167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24208.

The product of its digits is 3024, while the sum is 28.

The square root of 266167 is about 515.9137524819. The cubic root of 266167 is about 64.3257319329.

The spelling of 266167 in words is "two hundred sixty-six thousand, one hundred sixty-seven".