6681100168 has 32 divisors (see below), whose sum is σ = 13082088960. Its totient is φ = 3192773760.

The previous prime is 6681100157. The next prime is 6681100199. The reversal of 6681100168 is 8610011866.

It is a happy number.

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, 229321 + ... + 256807.

It is an arithmetic number, because the mean of its divisors is an integer number (408815280).

Almost surely, 2^6681100168 is an apocalyptic number.

It is an amenable number.

6681100168 is a deficient number, since it is larger than the sum of its proper divisors (6400988792).

6681100168 is a wasteful number, since it uses less digits than its factorization.

6681100168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28837 (or 28833 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 6681100168 is about 81737.9970882576. The cubic root of 6681100168 is about 1883.4293232059.

The spelling of 6681100168 in words is "six billion, six hundred eighty-one million, one hundred thousand, one hundred sixty-eight".