9916144 has 80 divisors (see below), whose sum is σ = 23569920. Its totient is φ = 3951360.

The previous prime is 9916139. The next prime is 9916163. The reversal of 9916144 is 4416199.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 139629 + ... + 139699.

It is an arithmetic number, because the mean of its divisors is an integer number (294624).

Almost surely, 2^9916144 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 9916144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11784960).

9916144 is an abundant number, since it is smaller than the sum of its proper divisors (13653776).

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

9916144 is a wasteful number, since it uses less digits than its factorization.

9916144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 152 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 9916144 is about 3148.9909494948. The cubic root of 9916144 is about 214.8395702420.

Subtracting from 9916144 its reverse (4416199), we obtain a palindrome (5499945).

The spelling of 9916144 in words is "nine million, nine hundred sixteen thousand, one hundred forty-four".