168870 has 32 divisors (see below), whose sum is σ = 437472. Its totient is φ = 41472.

The previous prime is 168869. The next prime is 168887. The reversal of 168870 is 78861.

168870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

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 168870.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174 + ... + 606.

It is an arithmetic number, because the mean of its divisors is an integer number (13671).

2¹⁶⁸⁸⁷⁰ is an apocalyptic number.

168870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 168870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218736).

168870 is an abundant number, since it is smaller than the sum of its proper divisors (268602).

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

168870 is a wasteful number, since it uses less digits than its factorization.

168870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 168870 is about 410.9379515207. The cubic root of 168870 is about 55.2735681546.

Subtracting from 168870 its reverse (78861), we obtain a palindrome (90009).

The spelling of 168870 in words is "one hundred sixty-eight thousand, eight hundred seventy".