5188818648 has 32 divisors (see below), whose sum is σ = 13969897200. Its totient is φ = 1596559488.

The previous prime is 5188818647. The next prime is 5188818683. The reversal of 5188818648 is 8468188815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5188818641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8315103 + ... + 8315726.

Almost surely, 2^5188818648 is an apocalyptic number.

It is an amenable number.

5188818648 is an abundant number, since it is smaller than the sum of its proper divisors (8781078552).

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

5188818648 is a wasteful number, since it uses less digits than its factorization.

5188818648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16630851 (or 16630847 counting only the distinct ones).

The product of its digits is 3932160, while the sum is 57.

The square root of 5188818648 is about 72033.4550608257. The cubic root of 5188818648 is about 1731.2355600493.

The spelling of 5188818648 in words is "five billion, one hundred eighty-eight million, eight hundred eighteen thousand, six hundred forty-eight".