166325 has 6 divisors (see below), whose sum is σ = 206274. Its totient is φ = 133040.

The previous prime is 166319. The next prime is 166349. The reversal of 166325 is 523661.

166325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 676 + 165649 = 26^2 + 407^2 .

It is not a de Polignac number, because 166325 - 2¹² = 162229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3302 + ... + 3351.

It is an arithmetic number, because the mean of its divisors is an integer number (34379).

2¹⁶⁶³²⁵ is an apocalyptic number.

It is an amenable number.

166325 is a deficient number, since it is larger than the sum of its proper divisors (39949).

166325 is an equidigital number, since it uses as much as digits as its factorization.

166325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6663 (or 6658 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 166325 is about 407.8296212881. The cubic root of 166325 is about 54.9944898061.

Adding to 166325 its reverse (523661), we get a palindrome (689986).

The spelling of 166325 in words is "one hundred sixty-six thousand, three hundred twenty-five".