169256868 has 48 divisors (see below), whose sum is σ = 436316160. Its totient is φ = 50637600.

The previous prime is 169256861. The next prime is 169256881. The reversal of 169256868 is 868652961.

169256868 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 169256868.

It is not an unprimeable number, because it can be changed into a prime (169256861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2313 + ... + 18543.

It is an arithmetic number, because the mean of its divisors is an integer number (9089920).

Almost surely, 2^169256868 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 169256868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218158080).

169256868 is an abundant number, since it is smaller than the sum of its proper divisors (267059292).

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

169256868 is a wasteful number, since it uses less digits than its factorization.

169256868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16328 (or 16326 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 169256868 is about 13009.8757872625. The cubic root of 169256868 is about 553.1574510758.

The spelling of 169256868 in words is "one hundred sixty-nine million, two hundred fifty-six thousand, eight hundred sixty-eight".