5156818148 has 24 divisors (see below), whose sum is σ = 9608095224. Its totient is φ = 2413324800.

The previous prime is 5156818127. The next prime is 5156818157. The reversal of 5156818148 is 8418186515.

It can be written as a sum of positive squares in 4 ways, for example, as 989857444 + 4166960704 = 31462^2 + 64552^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197183 + ... + 221798.

It is an arithmetic number, because the mean of its divisors is an integer number (400337301).

Almost surely, 2^5156818148 is an apocalyptic number.

It is an amenable number.

5156818148 is a deficient number, since it is larger than the sum of its proper divisors (4451277076).

5156818148 is a wasteful number, since it uses less digits than its factorization.

5156818148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419183 (or 419181 counting only the distinct ones).

The product of its digits is 307200, while the sum is 47.

The square root of 5156818148 is about 71810.9890476381. The cubic root of 5156818148 is about 1727.6692579908.

The spelling of 5156818148 in words is "five billion, one hundred fifty-six million, eight hundred eighteen thousand, one hundred forty-eight".