168856 has 8 divisors (see below), whose sum is σ = 316620. Its totient is φ = 84424.

The previous prime is 168851. The next prime is 168863. The reversal of 168856 is 658861.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168851) by changing a digit.

168856 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 as a sum of consecutive naturals, namely, 10546 + ... + 10561.

2¹⁶⁸⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

168856 is a deficient number, since it is larger than the sum of its proper divisors (147764).

168856 is a wasteful number, since it uses less digits than its factorization.

168856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21113 (or 21109 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 168856 is about 410.9209169658. The cubic root of 168856 is about 55.2720406456.

It can be divided in two parts, 168 and 856, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 168856 in words is "one hundred sixty-eight thousand, eight hundred fifty-six".