99155916 has 36 divisors (see below), whose sum is σ = 252160272. Its totient is φ = 32852064.

The previous prime is 99155909. The next prime is 99155933. The reversal of 99155916 is 61955199.

It is a happy number.

99155916 is a `hidden beast` number, since 9 + 91 + 559 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2235 + ... + 14258.

It is an arithmetic number, because the mean of its divisors is an integer number (7004452).

Almost surely, 2^99155916 is an apocalyptic number.

It is an amenable number.

99155916 is an abundant number, since it is smaller than the sum of its proper divisors (153004356).

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

99155916 is a wasteful number, since it uses less digits than its factorization.

99155916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16670 (or 16665 counting only the distinct ones).

The product of its digits is 109350, while the sum is 45.

The square root of 99155916 is about 9957.7063624110. The cubic root of 99155916 is about 462.8492279331.

The spelling of 99155916 in words is "ninety-nine million, one hundred fifty-five thousand, nine hundred sixteen".