266260 has 12 divisors (see below), whose sum is σ = 559188. Its totient is φ = 106496.

The previous prime is 266239. The next prime is 266261. The reversal of 266260 is 62662.

266260 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in 2 ways, for example, as 94864 + 171396 = 308^2 + 414^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266261) 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, 6637 + ... + 6676.

It is an arithmetic number, because the mean of its divisors is an integer number (46599).

2²⁶⁶²⁶⁰ is an apocalyptic number.

266260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266260 is an abundant number, since it is smaller than the sum of its proper divisors (292928).

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

266260 is a wasteful number, since it uses less digits than its factorization.

266260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13322 (or 13320 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 266260 is about 516.0038759544. The cubic root of 266260 is about 64.3332229648. Note that the first 3 decimals are identical.

The spelling of 266260 in words is "two hundred sixty-six thousand, two hundred sixty".