5151557768 has 48 divisors (see below), whose sum is σ = 11378476800. Its totient is φ = 2179850400.

The previous prime is 5151557743. The next prime is 5151557777. The reversal of 5151557768 is 8677551515.

It is a super-2 number, since 2×5151557768² = 53077094874082283648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52208 + ... + 114143.

It is an arithmetic number, because the mean of its divisors is an integer number (237051600).

Almost surely, 2^5151557768 is an apocalyptic number.

It is an amenable number.

5151557768 is an abundant number, since it is smaller than the sum of its proper divisors (6226919032).

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

5151557768 is a wasteful number, since it uses less digits than its factorization.

5151557768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166450 (or 166439 counting only the distinct ones).

The product of its digits is 1470000, while the sum is 50.

The square root of 5151557768 is about 71774.3531353644. The cubic root of 5151557768 is about 1727.0816030622.

The spelling of 5151557768 in words is "five billion, one hundred fifty-one million, five hundred fifty-seven thousand, seven hundred sixty-eight".