166119 has 4 divisors (see below), whose sum is σ = 221496. Its totient is φ = 110744.

The previous prime is 166099. The next prime is 166147. The reversal of 166119 is 911661.

166119 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 166119 - 2¹¹ = 164071 is a prime.

It is a super-2 number, since 2×166119² = 55191044322, which contains 22 as substring.

It is a D-number.

166119 is a lucky 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 (166169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27684 + ... + 27689.

It is an arithmetic number, because the mean of its divisors is an integer number (55374).

2¹⁶⁶¹¹⁹ is an apocalyptic number.

166119 is a deficient number, since it is larger than the sum of its proper divisors (55377).

166119 is an equidigital number, since it uses as much as digits as its factorization.

166119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55376.

The product of its digits is 324, while the sum is 24.

The square root of 166119 is about 407.5769865927. The cubic root of 166119 is about 54.9717761527.

The spelling of 166119 in words is "one hundred sixty-six thousand, one hundred nineteen".