9930821160 has 64 divisors (see below), whose sum is σ = 32084196480. Its totient is φ = 2444509440.

The previous prime is 9930821111. The next prime is 9930821179. The reversal of 9930821160 is 611280399.

9930821160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3181396 + ... + 3184515.

It is an arithmetic number, because the mean of its divisors is an integer number (501315570).

Almost surely, 2^9930821160 is an apocalyptic number.

It is an amenable number.

9930821160 is an abundant number, since it is smaller than the sum of its proper divisors (22153375320).

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

9930821160 is a wasteful number, since it uses less digits than its factorization.

9930821160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6365938 (or 6365934 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 9930821160 is about 99653.5055078345. The cubic root of 9930821160 is about 2149.4551465932.

The spelling of 9930821160 in words is "nine billion, nine hundred thirty million, eight hundred twenty-one thousand, one hundred sixty".