8841993216 has 528 divisors, whose sum is σ = 30547397376. Its totient is φ = 2218917888.

The previous prime is 8841993113. The next prime is 8841993217. The reversal of 8841993216 is 6123991488.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8841993217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131970015 + ... + 131970081.

Almost surely, 2^8841993216 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 8841993216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15273698688).

8841993216 is an abundant number, since it is smaller than the sum of its proper divisors (21705404160).

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

8841993216 is a wasteful number, since it uses less digits than its factorization.

8841993216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 115 counting only the distinct ones).

The product of its digits is 746496, while the sum is 51.

The square root of 8841993216 is about 94031.8734047131. The cubic root of 8841993216 is about 2067.8390181310.

The spelling of 8841993216 in words is "eight billion, eight hundred forty-one million, nine hundred ninety-three thousand, two hundred sixteen".