168616 has 16 divisors (see below), whose sum is σ = 361440. Its totient is φ = 72240.

The previous prime is 168601. The next prime is 168617. The reversal of 168616 is 616861.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1450 + ... + 1561.

It is an arithmetic number, because the mean of its divisors is an integer number (22590).

2¹⁶⁸⁶¹⁶ is an apocalyptic number.

It is an amenable number.

168616 is an abundant number, since it is smaller than the sum of its proper divisors (192824).

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

168616 is a wasteful number, since it uses less digits than its factorization.

168616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024 (or 3020 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 168616 is about 410.6287861317. The cubic root of 168616 is about 55.2458416368.

It can be divided in two parts, 168 and 616, that added together give a square (784 = 28²).

The spelling of 168616 in words is "one hundred sixty-eight thousand, six hundred sixteen".