5166717161 has 2 divisors, whose sum is σ = 5166717162. Its totient is φ = 5166717160.

The previous prime is 5166717151. The next prime is 5166717181. The reversal of 5166717161 is 1617176615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3605281936 + 1561435225 = 60044^2 + 39515^2 .

It is a cyclic number.

It is not a de Polignac number, because 5166717161 - 2²² = 5162522857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5166717151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2583358580 + 2583358581.

It is an arithmetic number, because the mean of its divisors is an integer number (2583358581).

Almost surely, 2^5166717161 is an apocalyptic number.

It is an amenable number.

5166717161 is a deficient number, since it is larger than the sum of its proper divisors (1).

5166717161 is an equidigital number, since it uses as much as digits as its factorization.

5166717161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 41.

The square root of 5166717161 is about 71879.8800847636. The cubic root of 5166717161 is about 1728.7740276689.

The spelling of 5166717161 in words is "five billion, one hundred sixty-six million, seven hundred seventeen thousand, one hundred sixty-one".