168975 has 18 divisors (see below), whose sum is σ = 303056. Its totient is φ = 90000.

The previous prime is 168943. The next prime is 168977. The reversal of 168975 is 579861.

It is not a de Polignac number, because 168975 - 2⁵ = 168943 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168977) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 151 + ... + 600.

2¹⁶⁸⁹⁷⁵ is an apocalyptic number.

168975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

168975 is a deficient number, since it is larger than the sum of its proper divisors (134081).

168975 is a wasteful number, since it uses less digits than its factorization.

168975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 759 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 168975 is about 411.0656881813. The cubic root of 168975 is about 55.2850217820.

It can be divided in two parts, 1689 and 75, that added together give a square (1764 = 42²).

The spelling of 168975 in words is "one hundred sixty-eight thousand, nine hundred seventy-five".