266133 has 32 divisors (see below), whose sum is σ = 460800. Its totient is φ = 133056.

The previous prime is 266129. The next prime is 266137. The reversal of 266133 is 331662.

It is an interprime number because it is at equal distance from previous prime (266129) and next prime (266137).

It is not a de Polignac number, because 266133 - 2² = 266129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

Its product of digits (648) is a multiple of the sum of its prime divisors (81).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9163 + ... + 9191.

It is an arithmetic number, because the mean of its divisors is an integer number (14400).

2²⁶⁶¹³³ is an apocalyptic number.

266133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

266133 is a deficient number, since it is larger than the sum of its proper divisors (194667).

266133 is a wasteful number, since it uses less digits than its factorization.

266133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81.

The product of its digits is 648, while the sum is 21.

The square root of 266133 is about 515.8808001855. The cubic root of 266133 is about 64.3229928405.

Adding to 266133 its reverse (331662), we get a palindrome (597795).

The spelling of 266133 in words is "two hundred sixty-six thousand, one hundred thirty-three".