168546 has 16 divisors (see below), whose sum is σ = 385344. Its totient is φ = 48144.

The previous prime is 168541. The next prime is 168559. The reversal of 168546 is 645861.

It is not an unprimeable number, because it can be changed into a prime (168541) by changing a digit.

168546 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 1965 + ... + 2048.

It is an arithmetic number, because the mean of its divisors is an integer number (24084).

2¹⁶⁸⁵⁴⁶ is an apocalyptic number.

168546 is an abundant number, since it is smaller than the sum of its proper divisors (216798).

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

168546 is a wasteful number, since it uses less digits than its factorization.

168546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4025.

The product of its digits is 5760, while the sum is 30.

The square root of 168546 is about 410.5435421487. The cubic root of 168546 is about 55.2381955767.

It can be divided in two parts, 16854 and 6, that multiplied together give a square (101124 = 318²).

The spelling of 168546 in words is "one hundred sixty-eight thousand, five hundred forty-six".