168450 has 24 divisors (see below), whose sum is σ = 418128. Its totient is φ = 44880.

The previous prime is 168449. The next prime is 168451. The reversal of 168450 is 54861.

It is an interprime number because it is at equal distance from previous prime (168449) and next prime (168451).

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 168450.

It is not an unprimeable number, because it can be changed into a prime (168451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 412 + ... + 711.

It is an arithmetic number, because the mean of its divisors is an integer number (17422).

2¹⁶⁸⁴⁵⁰ is an apocalyptic number.

168450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168450 is an abundant number, since it is smaller than the sum of its proper divisors (249678).

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

168450 is a wasteful number, since it uses less digits than its factorization.

168450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 168450 is about 410.4266073246. The cubic root of 168450 is about 55.2277061082.

The spelling of 168450 in words is "one hundred sixty-eight thousand, four hundred fifty".