99989160 has 64 divisors (see below), whose sum is σ = 307298880. Its totient is φ = 26012160.

The previous prime is 99989159. The next prime is 99989171. The reversal of 99989160 is 6198999.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5242 + ... + 15081.

It is an arithmetic number, because the mean of its divisors is an integer number (4801545).

Almost surely, 2^99989160 is an apocalyptic number.

It is an amenable number.

99989160 is an abundant number, since it is smaller than the sum of its proper divisors (207309720).

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

99989160 is a wasteful number, since it uses less digits than its factorization.

99989160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20378 (or 20374 counting only the distinct ones).

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

The square root of 99989160 is about 9999.4579853110. The cubic root of 99989160 is about 464.1421111476.

The spelling of 99989160 in words is "ninety-nine million, nine hundred eighty-nine thousand, one hundred sixty".