5156171650 has 48 divisors (see below), whose sum is σ = 11092665024. Its totient is φ = 1746521280.

The previous prime is 5156171639. The next prime is 5156171663. The reversal of 5156171650 is 561716515.

It is a super-2 number, since 2×5156171650² = 53172212168527445000, which contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 59697 + ... + 117796.

It is an arithmetic number, because the mean of its divisors is an integer number (231097188).

Almost surely, 2^5156171650 is an apocalyptic number.

5156171650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5156171650 is an abundant number, since it is smaller than the sum of its proper divisors (5936493374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5156171650 is a wasteful number, since it uses less digits than its factorization.

5156171650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177595 (or 177590 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 37.

The square root of 5156171650 is about 71806.4875202791. The cubic root of 5156171650 is about 1727.5970570478.

The spelling of 5156171650 in words is "five billion, one hundred fifty-six million, one hundred seventy-one thousand, six hundred fifty".