266159 has 2 divisors, whose sum is σ = 266160. Its totient is φ = 266158.

The previous prime is 266153. The next prime is 266177. The reversal of 266159 is 951662.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266159 is a prime.

It is a super-2 number, since 2×266159² = 141681226562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133079 + 133080.

It is an arithmetic number, because the mean of its divisors is an integer number (133080).

2²⁶⁶¹⁵⁹ is an apocalyptic number.

266159 is a deficient number, since it is larger than the sum of its proper divisors (1).

266159 is an equidigital number, since it uses as much as digits as its factorization.

266159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 29.

The square root of 266159 is about 515.9059991898. The cubic root of 266159 is about 64.3250874615.

The spelling of 266159 in words is "two hundred sixty-six thousand, one hundred fifty-nine".