166075 has 24 divisors (see below), whose sum is σ = 256928. Its totient is φ = 103680.

The previous prime is 166063. The next prime is 166081. The reversal of 166075 is 570661.

166075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166075 - 2⁵ = 166043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

166075 is an undulating number in base 9.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2239 + ... + 2311.

2¹⁶⁶⁰⁷⁵ is an apocalyptic number.

166075 is a deficient number, since it is larger than the sum of its proper divisors (90853).

166075 is a wasteful number, since it uses less digits than its factorization.

166075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 166075 is about 407.5230054856. The cubic root of 166075 is about 54.9669222593.

The spelling of 166075 in words is "one hundred sixty-six thousand, seventy-five".