170868 has 24 divisors (see below), whose sum is σ = 413280. Its totient is φ = 54880.

The previous prime is 170857. The next prime is 170873. The reversal of 170868 is 868071.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

170868 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103 + ... + 593.

It is an arithmetic number, because the mean of its divisors is an integer number (17220).

2¹⁷⁰⁸⁶⁸ 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 170868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206640).

170868 is an abundant number, since it is smaller than the sum of its proper divisors (242412).

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

170868 is a wasteful number, since it uses less digits than its factorization.

170868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 525 counting only the distinct ones).

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

The square root of 170868 is about 413.3618269749. The cubic root of 170868 is about 55.4907053666.

The spelling of 170868 in words is "one hundred seventy thousand, eight hundred sixty-eight".