99611916 has 12 divisors (see below), whose sum is σ = 232427832. Its totient is φ = 33203968.

The previous prime is 99611909. The next prime is 99611917. The reversal of 99611916 is 61911699.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-4 number, since 4×99611916⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (99611917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4150485 + ... + 4150508.

It is an arithmetic number, because the mean of its divisors is an integer number (19368986).

Almost surely, 2^99611916 is an apocalyptic number.

It is an amenable number.

99611916 is an abundant number, since it is smaller than the sum of its proper divisors (132815916).

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

99611916 is a wasteful number, since it uses less digits than its factorization.

99611916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8301000 (or 8300998 counting only the distinct ones).

The product of its digits is 26244, while the sum is 42.

The square root of 99611916 is about 9980.5769372316. The cubic root of 99611916 is about 463.5576628220.

The spelling of 99611916 in words is "ninety-nine million, six hundred eleven thousand, nine hundred sixteen".