83161116 has 36 divisors (see below), whose sum is σ = 210847000. Its totient is φ = 27636768.

The previous prime is 83161109. The next prime is 83161139. The reversal of 83161116 is 61116138.

83161116 is a `hidden beast` number, since 8 + 31 + 611 + 16 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 83161116.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9255 + ... + 15873.

Almost surely, 2^83161116 is an apocalyptic number.

It is an amenable number.

83161116 is an abundant number, since it is smaller than the sum of its proper divisors (127685884).

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

83161116 is a wasteful number, since it uses less digits than its factorization.

83161116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6978 (or 6973 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 83161116 is about 9119.2716814447. The cubic root of 83161116 is about 436.4891334588.

The spelling of 83161116 in words is "eighty-three million, one hundred sixty-one thousand, one hundred sixteen".