6624188988 has 48 divisors (see below), whose sum is σ = 15521393664. Its totient is φ = 2198806720.

The previous prime is 6624188983. The next prime is 6624188993. The reversal of 6624188988 is 8898814266.

It is an interprime number because it is at equal distance from previous prime (6624188983) and next prime (6624188993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6624188981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4121281 + ... + 4122887.

It is an arithmetic number, because the mean of its divisors is an integer number (323362368).

Almost surely, 2^6624188988 is an apocalyptic number.

It is an amenable number.

6624188988 is an abundant number, since it is smaller than the sum of its proper divisors (8897204676).

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

6624188988 is a wasteful number, since it uses less digits than its factorization.

6624188988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842 (or 2840 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 60.

The square root of 6624188988 is about 81389.1208209058. The cubic root of 6624188988 is about 1878.0662351699.

The spelling of 6624188988 in words is "six billion, six hundred twenty-four million, one hundred eighty-eight thousand, nine hundred eighty-eight".