166093 has 6 divisors (see below), whose sum is σ = 173166. Its totient is φ = 159192.

The previous prime is 166081. The next prime is 166099. The reversal of 166093 is 390661.

166093 is nontrivially palindromic in base 13.

It can be written as a sum of positive squares in only one way, i.e., 161604 + 4489 = 402^2 + 67^2 .

It is not a de Polignac number, because 166093 - 2¹³ = 157901 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

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, 2446 + ... + 2512.

It is an arithmetic number, because the mean of its divisors is an integer number (28861).

2¹⁶⁶⁰⁹³ is an apocalyptic number.

It is an amenable number.

166093 is a deficient number, since it is larger than the sum of its proper divisors (7073).

166093 is an frugal number, since it uses more digits than its factorization.

166093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 166093 is about 407.5450895300. The cubic root of 166093 is about 54.9689080466.

The spelling of 166093 in words is "one hundred sixty-six thousand, ninety-three".