266160 has 40 divisors (see below), whose sum is σ = 825840. Its totient is φ = 70912.

The previous prime is 266159. The next prime is 266177. The reversal of 266160 is 61662.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×266160² = 141682291200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

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, 315 + ... + 794.

It is an arithmetic number, because the mean of its divisors is an integer number (20646).

2²⁶⁶¹⁶⁰ is an apocalyptic number.

266160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266160 is an abundant number, since it is smaller than the sum of its proper divisors (559680).

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

266160 is a wasteful number, since it uses less digits than its factorization.

266160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 266160 is about 515.9069683577. The cubic root of 266160 is about 64.3251680212.

The spelling of 266160 in words is "two hundred sixty-six thousand, one hundred sixty".