168606 has 48 divisors (see below), whose sum is σ = 421200. Its totient is φ = 48384.

The previous prime is 168601. The next prime is 168617. The reversal of 168606 is 606861.

168606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 168606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5800 + ... + 5828.

It is an arithmetic number, because the mean of its divisors is an integer number (8775).

2¹⁶⁸⁶⁰⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210600).

168606 is an abundant number, since it is smaller than the sum of its proper divisors (252594).

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

168606 is a wasteful number, since it uses less digits than its factorization.

168606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 168606 is about 410.6166095033. The cubic root of 168606 is about 55.2447494720.

The spelling of 168606 in words is "one hundred sixty-eight thousand, six hundred six".