6658518916 has 24 divisors (see below), whose sum is σ = 14017935680. Its totient is φ = 2703458592.

The previous prime is 6658518913. The next prime is 6658518931. The reversal of 6658518916 is 6198158566.

It is not an unprimeable number, because it can be changed into a prime (6658518913) 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, 6257475 + ... + 6258538.

Almost surely, 2^6658518916 is an apocalyptic number.

It is an amenable number.

6658518916 is an abundant number, since it is smaller than the sum of its proper divisors (7359416764).

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

6658518916 is a wasteful number, since it uses less digits than its factorization.

6658518916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12516043 (or 12516041 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 55.

The square root of 6658518916 is about 81599.7482594156. The cubic root of 6658518916 is about 1881.3050124993.

The spelling of 6658518916 in words is "six billion, six hundred fifty-eight million, five hundred eighteen thousand, nine hundred sixteen".