166327 has 4 divisors (see below), whose sum is σ = 190096. Its totient is φ = 142560.

The previous prime is 166319. The next prime is 166349. The reversal of 166327 is 723661.

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 166327 - 2³ = 166319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166357) 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, 11874 + ... + 11887.

It is an arithmetic number, because the mean of its divisors is an integer number (47524).

2¹⁶⁶³²⁷ is an apocalyptic number.

166327 is a deficient number, since it is larger than the sum of its proper divisors (23769).

166327 is an equidigital number, since it uses as much as digits as its factorization.

166327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23768.

The product of its digits is 1512, while the sum is 25.

The square root of 166327 is about 407.8320732851. The cubic root of 166327 is about 54.9947102351.

Adding to 166327 its reverse (723661), we get a palindrome (889988).

The spelling of 166327 in words is "one hundred sixty-six thousand, three hundred twenty-seven".