9616816 has 40 divisors (see below), whose sum is σ = 20565648. Its totient is φ = 4320000.

The previous prime is 9616813. The next prime is 9616819. The reversal of 9616816 is 6186169.

9616816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9616813) and next prime (9616819).

It is not an unprimeable number, because it can be changed into a prime (9616813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17506 + ... + 18046.

Almost surely, 2^9616816 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 9616816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10282824).

9616816 is an abundant number, since it is smaller than the sum of its proper divisors (10948832).

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

9616816 is a wasteful number, since it uses less digits than its factorization.

9616816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 655 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The square root of 9616816 is about 3101.0991599754. The cubic root of 9616816 is about 212.6557363556.

It can be divided in two parts, 961 and 6816, that added together give a palindrome (7777).

The spelling of 9616816 in words is "nine million, six hundred sixteen thousand, eight hundred sixteen".