5156244161 has 2 divisors, whose sum is σ = 5156244162. Its totient is φ = 5156244160.

The previous prime is 5156244151. The next prime is 5156244217. The reversal of 5156244161 is 1614426515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3242619136 + 1913625025 = 56944^2 + 43745^2 .

It is a cyclic number.

It is not a de Polignac number, because 5156244161 - 2⁶ = 5156244097 is a prime.

It is not a weakly prime, because it can be changed into another prime (5156244131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578122080 + 2578122081.

It is an arithmetic number, because the mean of its divisors is an integer number (2578122081).

Almost surely, 2^5156244161 is an apocalyptic number.

It is an amenable number.

5156244161 is a deficient number, since it is larger than the sum of its proper divisors (1).

5156244161 is an equidigital number, since it uses as much as digits as its factorization.

5156244161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 35.

The square root of 5156244161 is about 71806.9924241365. The cubic root of 5156244161 is about 1727.6051553820.

The spelling of 5156244161 in words is "five billion, one hundred fifty-six million, two hundred forty-four thousand, one hundred sixty-one".