9903168 has 112 divisors (see below), whose sum is σ = 31821120. Its totient is φ = 2995200.

The previous prime is 9903149. The next prime is 9903169. The reversal of 9903168 is 8613099.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (9903169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18748 + ... + 19268.

Almost surely, 2^9903168 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 9903168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15910560).

9903168 is an abundant number, since it is smaller than the sum of its proper divisors (21917952).

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

9903168 is a wasteful number, since it uses less digits than its factorization.

9903168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 9903168 is about 3146.9299324898. The cubic root of 9903168 is about 214.7458182371.

It can be divided in two parts, 99031 and 68, that added together give a palindrome (99099).

The spelling of 9903168 in words is "nine million, nine hundred three thousand, one hundred sixty-eight".