112165161020 has 48 divisors (see below), whose sum is σ = 257120898048. Its totient is φ = 40761821760.

The previous prime is 112165160981. The next prime is 112165161061. The reversal of 112165161020 is 20161561211.

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, 194909 + ... + 512171.

It is an arithmetic number, because the mean of its divisors is an integer number (5356685376).

Almost surely, 2^112165161020 is an apocalyptic number.

112165161020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112165161020 is an abundant number, since it is smaller than the sum of its proper divisors (144955737028).

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

112165161020 is a wasteful number, since it uses less digits than its factorization.

112165161020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318890 (or 318888 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 112165161020 in words is "one hundred twelve billion, one hundred sixty-five million, one hundred sixty-one thousand, twenty".