9000998916 has 96 divisors (see below), whose sum is σ = 25873505280. Its totient is φ = 2371641984.

The previous prime is 9000998911. The next prime is 9000998921. The reversal of 9000998916 is 6198990009.

It is an interprime number because it is at equal distance from previous prime (9000998911) and next prime (9000998921).

It is not an unprimeable number, because it can be changed into a prime (9000998911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1371555 + ... + 1378101.

It is an arithmetic number, because the mean of its divisors is an integer number (269515680).

Almost surely, 2^9000998916 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 9000998916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12936752640).

9000998916 is an abundant number, since it is smaller than the sum of its proper divisors (16872506364).

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

9000998916 is a wasteful number, since it uses less digits than its factorization.

9000998916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7833 (or 7831 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 51.

The square root of 9000998916 is about 94873.5944085603. The cubic root of 9000998916 is about 2080.1607768350.

The spelling of 9000998916 in words is "nine billion, nine hundred ninety-eight thousand, nine hundred sixteen".