168942 has 16 divisors (see below), whose sum is σ = 347472. Its totient is φ = 54720.

The previous prime is 168937. The next prime is 168943. The reversal of 168942 is 249861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159 + ... + 602.

It is an arithmetic number, because the mean of its divisors is an integer number (21717).

2¹⁶⁸⁹⁴² is an apocalyptic number.

168942 is an abundant number, since it is smaller than the sum of its proper divisors (178530).

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

168942 is a wasteful number, since it uses less digits than its factorization.

168942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803.

The product of its digits is 3456, while the sum is 30.

The square root of 168942 is about 411.0255466513. The cubic root of 168942 is about 55.2814225820.

The spelling of 168942 in words is "one hundred sixty-eight thousand, nine hundred forty-two".