99161128 has 16 divisors (see below), whose sum is σ = 202829760. Its totient is φ = 45073200.

The previous prime is 99161107. The next prime is 99161131. The reversal of 99161128 is 82116199.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563328 + ... + 563503.

It is an arithmetic number, because the mean of its divisors is an integer number (12676860).

Almost surely, 2^99161128 is an apocalyptic number.

It is an amenable number.

99161128 is an abundant number, since it is smaller than the sum of its proper divisors (103668632).

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

99161128 is a wasteful number, since it uses less digits than its factorization.

99161128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126848 (or 1126844 counting only the distinct ones).

The product of its digits is 7776, while the sum is 37.

The square root of 99161128 is about 9957.9680658255. The cubic root of 99161128 is about 462.8573374775.

The spelling of 99161128 in words is "ninety-nine million, one hundred sixty-one thousand, one hundred twenty-eight".