9933316866 has 48 divisors (see below), whose sum is σ = 24499575360. Its totient is φ = 2879220960.

The previous prime is 9933316847. The next prime is 9933316873. The reversal of 9933316866 is 6686133399.

It is a happy number.

9933316866 is a `hidden beast` number, since 99 + 333 + 168 + 66 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1086061 + ... + 1095168.

It is an arithmetic number, because the mean of its divisors is an integer number (510407820).

Almost surely, 2^9933316866 is an apocalyptic number.

9933316866 is an abundant number, since it is smaller than the sum of its proper divisors (14566258494).

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

9933316866 is a wasteful number, since it uses less digits than its factorization.

9933316866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181271 (or 2181268 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 54.

The square root of 9933316866 is about 99666.0266389706. The cubic root of 9933316866 is about 2149.6351907442.

The spelling of 9933316866 in words is "nine billion, nine hundred thirty-three million, three hundred sixteen thousand, eight hundred sixty-six".