It is a congruent number.
2168868 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 168868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168868 is a wasteful number, since it uses less digits than its factorization.
168868 is an evil number, because the sum of its binary digits is even.
The square root of 168868 is about 410.9355180561. The cubic root of 168868 is about 55.2733499442.
The spelling of 168868 in words is "one hundred sixty-eight thousand, eight hundred sixty-eight".