5156336644 has 12 divisors (see below), whose sum is σ = 9025033500. Its totient is φ = 2577755648.

The previous prime is 5156336639. The next prime is 5156336651. The reversal of 5156336644 is 4466336515.

It can be written as a sum of positive squares in 2 ways, for example, as 3565284100 + 1591052544 = 59710^2 + 39888^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5156336644.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74149 + ... + 125740.

It is an arithmetic number, because the mean of its divisors is an integer number (752086125).

Almost surely, 2^5156336644 is an apocalyptic number.

It is an amenable number.

5156336644 is a deficient number, since it is larger than the sum of its proper divisors (3868696856).

5156336644 is a wasteful number, since it uses less digits than its factorization.

5156336644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206342 (or 206340 counting only the distinct ones).

The product of its digits is 777600, while the sum is 43.

The square root of 5156336644 is about 71807.6363905678. The cubic root of 5156336644 is about 1727.6154841631.

The spelling of 5156336644 in words is "five billion, one hundred fifty-six million, three hundred thirty-six thousand, six hundred forty-four".