6616187268 has 24 divisors (see below), whose sum is σ = 16108978368. Its totient is φ = 2109508896.

The previous prime is 6616187257. The next prime is 6616187293. The reversal of 6616187268 is 8627816166.

It is a self number, because there is not a number n which added to its sum of digits gives 6616187268.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11985571 + ... + 11986122.

It is an arithmetic number, because the mean of its divisors is an integer number (671207432).

Almost surely, 2^6616187268 is an apocalyptic number.

It is an amenable number.

6616187268 is an abundant number, since it is smaller than the sum of its proper divisors (9492791100).

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

6616187268 is a wasteful number, since it uses less digits than its factorization.

6616187268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23971723 (or 23971721 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 6616187268 is about 81339.9487828705. The cubic root of 6616187268 is about 1877.3097241868.

The spelling of 6616187268 in words is "six billion, six hundred sixteen million, one hundred eighty-seven thousand, two hundred sixty-eight".