9930917216 has 144 divisors (see below), whose sum is σ = 22318706592. Its totient is φ = 4342947840.

The previous prime is 9930917197. The next prime is 9930917219. The reversal of 9930917216 is 6127190399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9930917219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14755856 + ... + 14756528.

It is an arithmetic number, because the mean of its divisors is an integer number (154991018).

Almost surely, 2^9930917216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9930917216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11159353296).

9930917216 is an abundant number, since it is smaller than the sum of its proper divisors (12387789376).

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

9930917216 is a wasteful number, since it uses less digits than its factorization.

9930917216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 9930917216 is about 99653.9874565990. The cubic root of 9930917216 is about 2149.4620767820.

The spelling of 9930917216 in words is "nine billion, nine hundred thirty million, nine hundred seventeen thousand, two hundred sixteen".