5157197568 has 108 divisors (see below), whose sum is σ = 14903703360. Its totient is φ = 1715109888.

The previous prime is 5157197567. The next prime is 5157197581. The reversal of 5157197568 is 8657917515.

It is a happy number.

5157197568 is a `hidden beast` number, since 5 + 1 + 5 + 71 + 9 + 7 + 568 = 666.

It is a super-2 number, since 2×5157197568² = 53193373510770229248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5157197567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1101280 + ... + 1105952.

Almost surely, 2^5157197568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5157197568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7451851680).

5157197568 is an abundant number, since it is smaller than the sum of its proper divisors (9746505792).

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

5157197568 is a wasteful number, since it uses less digits than its factorization.

5157197568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174 (or 5157 counting only the distinct ones).

The product of its digits is 2646000, while the sum is 54.

The square root of 5157197568 is about 71813.6307952745. The cubic root of 5157197568 is about 1727.7116288336.

The spelling of 5157197568 in words is "five billion, one hundred fifty-seven million, one hundred ninety-seven thousand, five hundred sixty-eight".