166133 has 6 divisors (see below), whose sum is σ = 182742. Its totient is φ = 150920.

The previous prime is 166099. The next prime is 166147. The reversal of 166133 is 331661.

166133 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 only one way, i.e., 165649 + 484 = 407^2 + 22^2 .

It is not a de Polignac number, because 166133 - 2⁸ = 165877 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166183) 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, 566 + ... + 807.

It is an arithmetic number, because the mean of its divisors is an integer number (30457).

2¹⁶⁶¹³³ is an apocalyptic number.

It is an amenable number.

166133 is a deficient number, since it is larger than the sum of its proper divisors (16609).

166133 is a wasteful number, since it uses less digits than its factorization.

166133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395 (or 1384 counting only the distinct ones).

The product of its digits is 324, while the sum is 20.

The square root of 166133 is about 407.5941609003. The cubic root of 166133 is about 54.9733203936.

Adding to 166133 its reverse (331661), we get a palindrome (497794).

The spelling of 166133 in words is "one hundred sixty-six thousand, one hundred thirty-three".