99903168 has 84 divisors (see below), whose sum is σ = 298844208. Its totient is φ = 31848960.

The previous prime is 99903161. The next prime is 99903179. The reversal of 99903168 is 86130999.

It is not an unprimeable number, because it can be changed into a prime (99903161) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9478 + ... + 17018.

Almost surely, 2^99903168 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 99903168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149422104).

99903168 is an abundant number, since it is smaller than the sum of its proper divisors (198941040).

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

99903168 is a wasteful number, since it uses less digits than its factorization.

99903168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7582 (or 7569 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 99903168 is about 9995.1572273777. The cubic root of 99903168 is about 464.0090168680.

The spelling of 99903168 in words is "ninety-nine million, nine hundred three thousand, one hundred sixty-eight".