112169396889 has 135 divisors (see below), whose sum is σ = 196638870351. Its totient is φ = 63661023360.

The previous prime is 112169396887. The next prime is 112169396959. The reversal of 112169396889 is 988693961211.

The square root of 112169396889 is 334917.

It is a perfect power (a square), and thus also a powerful number.

112169396889 is a `hidden beast` number, since 1 + 1 + 2 + 169 + 396 + 8 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 87329115225 + 24840281664 = 295515^2 + 157608^2 .

It is not a de Polignac number, because 112169396889 - 2¹ = 112169396887 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112169396887) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 563665212 + ... + 563665410.

Almost surely, 2^112169396889 is an apocalyptic number.

112169396889 is the 334917-th square number.

112169396889 is the 167459-th centered octagonal number.

It is an amenable number.

112169396889 is a deficient number, since it is larger than the sum of its proper divisors (84469473462).

112169396889 is an equidigital number, since it uses as much as digits as its factorization.

112169396889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 230 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 63.

The spelling of 112169396889 in words is "one hundred twelve billion, one hundred sixty-nine million, three hundred ninety-six thousand, eight hundred eighty-nine".