9321811968 has 416 divisors, whose sum is σ = 30478383360. Its totient is φ = 2477260800.

The previous prime is 9321811903. The next prime is 9321811981. The reversal of 9321811968 is 8691181239.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92295118 + ... + 92295218.

Almost surely, 2^9321811968 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 9321811968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15239191680).

9321811968 is an abundant number, since it is smaller than the sum of its proper divisors (21156571392).

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

9321811968 is a wasteful number, since it uses less digits than its factorization.

9321811968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 179 counting only the distinct ones).

The product of its digits is 186624, while the sum is 48.

The square root of 9321811968 is about 96549.5311640611. The cubic root of 9321811968 is about 2104.5864962244.

The spelling of 9321811968 in words is "nine billion, three hundred twenty-one million, eight hundred eleven thousand, nine hundred sixty-eight".