169112 has 8 divisors (see below), whose sum is σ = 317100. Its totient is φ = 84552.

The previous prime is 169111. The next prime is 169129. The reversal of 169112 is 211961.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10562 + ... + 10577.

2¹⁶⁹¹¹² is an apocalyptic number.

It is an amenable number.

169112 is a deficient number, since it is larger than the sum of its proper divisors (147988).

169112 is a wasteful number, since it uses less digits than its factorization.

169112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21145 (or 21141 counting only the distinct ones).

The product of its digits is 108, while the sum is 20.

The square root of 169112 is about 411.2322944517. The cubic root of 169112 is about 55.2999589068.

Subtracting 169112 from its reverse (211961), we obtain a square (42849 = 207²).

The spelling of 169112 in words is "one hundred sixty-nine thousand, one hundred twelve".