168916 has 18 divisors (see below), whose sum is σ = 325850. Its totient is φ = 76560.

The previous prime is 168913. The next prime is 168937. The reversal of 168916 is 619861.

It is a happy number.

168916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 156816 + 12100 = 396^2 + 110^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 310 + ... + 658.

2¹⁶⁸⁹¹⁶ is an apocalyptic number.

It is an amenable number.

168916 is a deficient number, since it is larger than the sum of its proper divisors (156934).

168916 is a wasteful number, since it uses less digits than its factorization.

168916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 362 counting only the distinct ones).

The product of its digits is 2592, while the sum is 31.

The square root of 168916 is about 410.9939172299. The cubic root of 168916 is about 55.2785865184.

The spelling of 168916 in words is "one hundred sixty-eight thousand, nine hundred sixteen".