5187091568 has 80 divisors (see below), whose sum is σ = 10552241280. Its totient is φ = 2467584000.

The previous prime is 5187091543. The next prime is 5187091603. The reversal of 5187091568 is 8651907815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8630468 + ... + 8631068.

It is an arithmetic number, because the mean of its divisors is an integer number (131903016).

Almost surely, 2^5187091568 is an apocalyptic number.

It is an amenable number.

5187091568 is an abundant number, since it is smaller than the sum of its proper divisors (5365149712).

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

5187091568 is a wasteful number, since it uses less digits than its factorization.

5187091568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 940 counting only the distinct ones).

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

The square root of 5187091568 is about 72021.4660222909. The cubic root of 5187091568 is about 1731.0434601829.

The spelling of 5187091568 in words is "five billion, one hundred eighty-seven million, ninety-one thousand, five hundred sixty-eight".