111628116 has 36 divisors (see below), whose sum is σ = 297024000. Its totient is φ = 35250768.

The previous prime is 111628091. The next prime is 111628133. The reversal of 111628116 is 611826111.

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 111628116.

It is a congruent number.

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, 80916 + ... + 82283.

Almost surely, 2^111628116 is an apocalyptic number.

It is an amenable number.

111628116 is an abundant number, since it is smaller than the sum of its proper divisors (185395884).

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

111628116 is a wasteful number, since it uses less digits than its factorization.

111628116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163228 (or 163223 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

The square root of 111628116 is about 10565.4207677688. The cubic root of 111628116 is about 481.4943533141.

The spelling of 111628116 in words is "one hundred eleven million, six hundred twenty-eight thousand, one hundred sixteen".