609168 has 80 divisors (see below), whose sum is σ = 1884800. Its totient is φ = 169344.

The previous prime is 609163. The next prime is 609173. The reversal of 609168 is 861906.

It is an interprime number because it is at equal distance from previous prime (609163) and next prime (609173).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 609168.

It is not an unprimeable number, because it can be changed into a prime (609163) 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, 16446 + ... + 16482.

It is an arithmetic number, because the mean of its divisors is an integer number (23560).

2⁶⁰⁹¹⁶⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942400).

609168 is an abundant number, since it is smaller than the sum of its proper divisors (1275632).

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

609168 is a wasteful number, since it uses less digits than its factorization.

609168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 609168 is about 780.4921524269. The cubic root of 609168 is about 84.7706852512.

It can be divided in two parts, 609 and 168, that added together give a palindrome (777).

The spelling of 609168 in words is "six hundred nine thousand, one hundred sixty-eight".