111166160 has 80 divisors (see below), whose sum is σ = 297302400. Its totient is φ = 37867008.

The previous prime is 111166151. The next prime is 111166219. The reversal of 111166160 is 61661111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99686 + ... + 100794.

It is an arithmetic number, because the mean of its divisors is an integer number (3716280).

Almost surely, 2^111166160 is an apocalyptic number.

111166160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111166160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148651200).

111166160 is an abundant number, since it is smaller than the sum of its proper divisors (186136240).

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

111166160 is a wasteful number, since it uses less digits than its factorization.

111166160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308 (or 1302 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 111166160 is about 10543.5364086250. The cubic root of 111166160 is about 480.8292378974.

The spelling of 111166160 in words is "one hundred eleven million, one hundred sixty-six thousand, one hundred sixty".