166367 has 8 divisors (see below), whose sum is σ = 175824. Its totient is φ = 157248.

The previous prime is 166363. The next prime is 166393. The reversal of 166367 is 763661.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166367 - 2² = 166363 is a prime.

It is a d-powerful number, because it can be written as 1 + 6² + 3⁶ + 6⁴ + 6⁶ + 7⁶ .

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 (166363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2243 + ... + 2315.

It is an arithmetic number, because the mean of its divisors is an integer number (21978).

2¹⁶⁶³⁶⁷ is an apocalyptic number.

166367 is a deficient number, since it is larger than the sum of its proper divisors (9457).

166367 is an equidigital number, since it uses as much as digits as its factorization.

166367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169.

The product of its digits is 4536, while the sum is 29.

The square root of 166367 is about 407.8811101289. The cubic root of 166367 is about 54.9991184432. Note that the first 3 decimals are identical.

The spelling of 166367 in words is "one hundred sixty-six thousand, three hundred sixty-seven".