5156818079 has 16 divisors (see below), whose sum is σ = 5928938496. Its totient is φ = 4393634400.

The previous prime is 5156818049. The next prime is 5156818087. The reversal of 5156818079 is 9708186515.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5156818079 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156818049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882989 + ... + 888809.

It is an arithmetic number, because the mean of its divisors is an integer number (370558656).

Almost surely, 2^5156818079 is an apocalyptic number.

5156818079 is a deficient number, since it is larger than the sum of its proper divisors (772120417).

5156818079 is a wasteful number, since it uses less digits than its factorization.

5156818079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6566.

The product of its (nonzero) digits is 604800, while the sum is 50.

The square root of 5156818079 is about 71810.9885672102. The cubic root of 5156818079 is about 1727.6692502852.

The spelling of 5156818079 in words is "five billion, one hundred fifty-six million, eight hundred eighteen thousand, seventy-nine".