168930 has 24 divisors (see below), whose sum is σ = 439452. Its totient is φ = 45024.

The previous prime is 168913. The next prime is 168937. The reversal of 168930 is 39861.

168930 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 2 ways, for example, as 168921 + 9 = 411^2 + 3^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 168894 and 168903.

It is not an unprimeable number, because it can be changed into a prime (168937) by changing a digit.

168930 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 11 ways as a sum of consecutive naturals, for example, 849 + ... + 1028.

2¹⁶⁸⁹³⁰ is an apocalyptic number.

168930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168930 is an abundant number, since it is smaller than the sum of its proper divisors (270522).

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

168930 is a wasteful number, since it uses less digits than its factorization.

168930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890 (or 1887 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 168930 is about 411.0109487593. The cubic root of 168930 is about 55.2801136657.

The spelling of 168930 in words is "one hundred sixty-eight thousand, nine hundred thirty".