168925 has 12 divisors (see below), whose sum is σ = 217620. Its totient is φ = 129920.

The previous prime is 168913. The next prime is 168937. The reversal of 168925 is 529861.

It is an interprime number because it is at equal distance from previous prime (168913) and next prime (168937).

It can be written as a sum of positive squares in 6 ways, for example, as 13689 + 155236 = 117^2 + 394^2 .

It is not a de Polignac number, because 168925 - 2⁵ = 168893 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 609 + ... + 841.

It is an arithmetic number, because the mean of its divisors is an integer number (18135).

2¹⁶⁸⁹²⁵ is an apocalyptic number.

It is an amenable number.

168925 is a deficient number, since it is larger than the sum of its proper divisors (48695).

168925 is a wasteful number, since it uses less digits than its factorization.

168925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 267 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 168925 is about 411.0048661512. The cubic root of 168925 is about 55.2795682657.

The spelling of 168925 in words is "one hundred sixty-eight thousand, nine hundred twenty-five".