9919190016 has 132 divisors (see below), whose sum is σ = 29702985312. Its totient is φ = 3306313728.

The previous prime is 9919189999. The next prime is 9919190069. The reversal of 9919190016 is 6100919199.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228901 + ... + 268763.

It is an arithmetic number, because the mean of its divisors is an integer number (225022616).

Almost surely, 2^9919190016 is an apocalyptic number.

9919190016 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9919190016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14851492656).

9919190016 is an abundant number, since it is smaller than the sum of its proper divisors (19783795296).

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

9919190016 is an equidigital number, since it uses as much as digits as its factorization.

9919190016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39898 (or 39868 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 45.

The square root of 9919190016 is about 99595.1304833725. The cubic root of 9919190016 is about 2148.6156594831.

The spelling of 9919190016 in words is "nine billion, nine hundred nineteen million, one hundred ninety thousand, sixteen".