9956318912 has 56 divisors (see below), whose sum is σ = 20148651600. Its totient is φ = 4879973376.

The previous prime is 9956318909. The next prime is 9956318917. The reversal of 9956318912 is 2198136599.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9956318917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1404914 + ... + 1411982.

It is an arithmetic number, because the mean of its divisors is an integer number (359797350).

Almost surely, 2^9956318912 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 9956318912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10074325800).

9956318912 is an abundant number, since it is smaller than the sum of its proper divisors (10192332688).

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

9956318912 is a wasteful number, since it uses less digits than its factorization.

9956318912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7513 (or 7503 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 53.

The square root of 9956318912 is about 99781.3555329852. The cubic root of 9956318912 is about 2151.2931763814.

The spelling of 9956318912 in words is "nine billion, nine hundred fifty-six million, three hundred eighteen thousand, nine hundred twelve".