5156515161 has 32 divisors (see below), whose sum is σ = 8838419200. Its totient is φ = 2946571344.

The previous prime is 5156515129. The next prime is 5156515229. The reversal of 5156515161 is 1615156515.

It is a happy number.

It is not a de Polignac number, because 5156515161 - 2⁵ = 5156515129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5156515121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153106 + ... + 183723.

It is an arithmetic number, because the mean of its divisors is an integer number (276200600).

Almost surely, 2^5156515161 is an apocalyptic number.

It is an amenable number.

5156515161 is a deficient number, since it is larger than the sum of its proper divisors (3681904039).

5156515161 is an frugal number, since it uses more digits than its factorization.

5156515161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336857 (or 336839 counting only the distinct ones).

The product of its digits is 22500, while the sum is 36.

The square root of 5156515161 is about 71808.8794022021. The cubic root of 5156515161 is about 1727.6354211323.

The spelling of 5156515161 in words is "five billion, one hundred fifty-six million, five hundred fifteen thousand, one hundred sixty-one".