66264053171 has 2 divisors, whose sum is σ = 66264053172. Its totient is φ = 66264053170.

The previous prime is 66264053123. The next prime is 66264053183. The reversal of 66264053171 is 17135046266.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66264053171 - 2¹⁰ = 66264052147 is a prime.

It is not a weakly prime, because it can be changed into another prime (66264052171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33132026585 + 33132026586.

It is an arithmetic number, because the mean of its divisors is an integer number (33132026586).

Almost surely, 2^66264053171 is an apocalyptic number.

66264053171 is a deficient number, since it is larger than the sum of its proper divisors (1).

66264053171 is an equidigital number, since it uses as much as digits as its factorization.

66264053171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 66264053171 in words is "sixty-six billion, two hundred sixty-four million, fifty-three thousand, one hundred seventy-one".