168678 has 12 divisors (see below), whose sum is σ = 365508. Its totient is φ = 56220.

The previous prime is 168677. The next prime is 168697. The reversal of 168678 is 876861.

168678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168673) 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, 4668 + ... + 4703.

It is an arithmetic number, because the mean of its divisors is an integer number (30459).

2¹⁶⁸⁶⁷⁸ is an apocalyptic number.

168678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

168678 is an abundant number, since it is smaller than the sum of its proper divisors (196830).

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

168678 is a wasteful number, since it uses less digits than its factorization.

168678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9379 (or 9376 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 168678 is about 410.7042731699. The cubic root of 168678 is about 55.2526120944.

It can be divided in two parts, 1686 and 78, that added together give a square (1764 = 42²).

The spelling of 168678 in words is "one hundred sixty-eight thousand, six hundred seventy-eight".