166059 has 6 divisors (see below), whose sum is σ = 239876. Its totient is φ = 110700.

The previous prime is 166043. The next prime is 166063. The reversal of 166059 is 950661.

It is not a de Polignac number, because 166059 - 2⁴ = 166043 is a prime.

It is a Duffinian number.

166059 is a lucky number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (166099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9217 + ... + 9234.

2¹⁶⁶⁰⁵⁹ is an apocalyptic number.

166059 is a deficient number, since it is larger than the sum of its proper divisors (73817).

166059 is a wasteful number, since it uses less digits than its factorization.

166059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18457 (or 18454 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 166059 is about 407.5033742192. The cubic root of 166059 is about 54.9651569947.

The spelling of 166059 in words is "one hundred sixty-six thousand, fifty-nine".