266441117 has 2 divisors, whose sum is σ = 266441118. Its totient is φ = 266441116.

The previous prime is 266441101. The next prime is 266441129. The reversal of 266441117 is 711144662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155475961 + 110965156 = 12469^2 + 10534^2 .

It is a cyclic number.

It is not a de Polignac number, because 266441117 - 2⁴ = 266441101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266441317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133220558 + 133220559.

It is an arithmetic number, because the mean of its divisors is an integer number (133220559).

Almost surely, 2^266441117 is an apocalyptic number.

It is an amenable number.

266441117 is a deficient number, since it is larger than the sum of its proper divisors (1).

266441117 is an equidigital number, since it uses as much as digits as its factorization.

266441117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 266441117 is about 16323.0241377019. The cubic root of 266441117 is about 643.4780670421.

Adding to 266441117 its reverse (711144662), we get a palindrome (977585779).

The spelling of 266441117 in words is "two hundred sixty-six million, four hundred forty-one thousand, one hundred seventeen".