Search a number
BaseRepresentation
bin101001001110100100
322120122101
4221032210
520400433
63341444
71302220
oct511644
9276571
10168868
11105967
1281884
135bb2b
1445780
153507d
hex293a4

168868 has 24 divisors (see below), whose sum is σ = 348992. Its totient is φ = 69984.

The previous prime is 168863. The next prime is 168869. The reversal of 168868 is 868861.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955 + ... + 1117.

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).

168868 is an abundant number, since it is smaller than the sum of its proper divisors (180124).

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 sum of its prime factors is 211 (or 209 counting only the distinct ones).

The product of its digits is 18432, while the sum is 37.

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".