112156161 has 16 divisors (see below), whose sum is σ = 161347200. Its totient is φ = 68889600.

The previous prime is 112156151. The next prime is 112156189. The reversal of 112156161 is 161651211.

It is not a de Polignac number, because 112156161 - 2⁵ = 112156129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112156111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20961 + ... + 25761.

It is an arithmetic number, because the mean of its divisors is an integer number (10084200).

Almost surely, 2^112156161 is an apocalyptic number.

It is an amenable number.

112156161 is a deficient number, since it is larger than the sum of its proper divisors (49191039).

112156161 is a wasteful number, since it uses less digits than its factorization.

112156161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5416.

The product of its digits is 360, while the sum is 24.

The square root of 112156161 is about 10590.3805880620. The cubic root of 112156161 is about 482.2523786909.

The spelling of 112156161 in words is "one hundred twelve million, one hundred fifty-six thousand, one hundred sixty-one".