266080 has 24 divisors (see below), whose sum is σ = 628992. Its totient is φ = 106368.

The previous prime is 266059. The next prime is 266081. The reversal of 266080 is 80662.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266081) by changing a digit.

266080 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672 + ... + 991.

It is an arithmetic number, because the mean of its divisors is an integer number (26208).

2²⁶⁶⁰⁸⁰ is an apocalyptic number.

266080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266080 is an abundant number, since it is smaller than the sum of its proper divisors (362912).

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

266080 is a wasteful number, since it uses less digits than its factorization.

266080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678 (or 1670 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 266080 is about 515.8294291721. The cubic root of 266080 is about 64.3187226135.

The spelling of 266080 in words is "two hundred sixty-six thousand, eighty".