166379 has 4 divisors (see below), whose sum is σ = 176184. Its totient is φ = 156576.

The previous prime is 166363. The next prime is 166393. The reversal of 166379 is 973661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973661 = 13 ⋅74897.

It is a cyclic number.

It is not a de Polignac number, because 166379 - 2⁴ = 166363 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (166319) 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, 4877 + ... + 4910.

It is an arithmetic number, because the mean of its divisors is an integer number (44046).

2¹⁶⁶³⁷⁹ is an apocalyptic number.

166379 is a deficient number, since it is larger than the sum of its proper divisors (9805).

166379 is an equidigital number, since it uses as much as digits as its factorization.

166379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9804.

The product of its digits is 6804, while the sum is 32.

The square root of 166379 is about 407.8958200325. The cubic root of 166379 is about 55.0004407678. Note that the first 3 decimals are identical.

It can be divided in two parts, 166 and 379, that added together give a palindrome (545).

The spelling of 166379 in words is "one hundred sixty-six thousand, three hundred seventy-nine".