8993730816 has 216 divisors, whose sum is σ = 30045491840. Its totient is φ = 2534105088.

The previous prime is 8993730803. The next prime is 8993730839. The reversal of 8993730816 is 6180373998.

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, 1173525 + ... + 1181163.

Almost surely, 2^8993730816 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 8993730816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15022745920).

8993730816 is an abundant number, since it is smaller than the sum of its proper divisors (21051761024).

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

8993730816 is a wasteful number, since it uses less digits than its factorization.

8993730816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7741 (or 7724 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 8993730816 is about 94835.2825482162. The cubic root of 8993730816 is about 2079.6007320416.

The spelling of 8993730816 in words is "eight billion, nine hundred ninety-three million, seven hundred thirty thousand, eight hundred sixteen".