266251159 has 2 divisors, whose sum is σ = 266251160. Its totient is φ = 266251158.

The previous prime is 266251109. The next prime is 266251187. The reversal of 266251159 is 951152662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266251159 - 2¹⁵ = 266218391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266251109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133125579 + 133125580.

It is an arithmetic number, because the mean of its divisors is an integer number (133125580).

Almost surely, 2^266251159 is an apocalyptic number.

266251159 is a deficient number, since it is larger than the sum of its proper divisors (1).

266251159 is an equidigital number, since it uses as much as digits as its factorization.

266251159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 37.

The square root of 266251159 is about 16317.2043867815. The cubic root of 266251159 is about 643.3251090850.

The spelling of 266251159 in words is "two hundred sixty-six million, two hundred fifty-one thousand, one hundred fifty-nine".