266662 has 32 divisors (see below), whose sum is σ = 497664. Its totient is φ = 105600.

The previous prime is 266647. The next prime is 266663.

266662 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×266662² = 142217244488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 266662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266663) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8587 + ... + 8617.

It is an arithmetic number, because the mean of its divisors is an integer number (15552).

2²⁶⁶⁶⁶² is an apocalyptic number.

266662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

266662 is a deficient number, since it is larger than the sum of its proper divisors (231002).

266662 is a wasteful number, since it uses less digits than its factorization.

266662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84.

The product of its digits is 5184, while the sum is 28.

The square root of 266662 is about 516.3932609940. The cubic root of 266662 is about 64.3655835034.

The spelling of 266662 in words is "two hundred sixty-six thousand, six hundred sixty-two".