266116453171 has 2 divisors, whose sum is σ = 266116453172. Its totient is φ = 266116453170.

The previous prime is 266116453129. The next prime is 266116453177. The reversal of 266116453171 is 171354611662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266116453171 - 2²⁷ = 265982235443 is a prime.

It is not a weakly prime, because it can be changed into another prime (266116453177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133058226585 + 133058226586.

It is an arithmetic number, because the mean of its divisors is an integer number (133058226586).

Almost surely, 2^266116453171 is an apocalyptic number.

266116453171 is a deficient number, since it is larger than the sum of its proper divisors (1).

266116453171 is an equidigital number, since it uses as much as digits as its factorization.

266116453171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The spelling of 266116453171 in words is "two hundred sixty-six billion, one hundred sixteen million, four hundred fifty-three thousand, one hundred seventy-one".