166127 has 6 divisors (see below), whose sum is σ = 180072. Its totient is φ = 153192.

The previous prime is 166099. The next prime is 166147. The reversal of 166127 is 721661.

It is not a de Polignac number, because 166127 - 2⁶ = 166063 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 (166147) 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, 323 + ... + 660.

It is an arithmetic number, because the mean of its divisors is an integer number (30012).

2¹⁶⁶¹²⁷ is an apocalyptic number.

166127 is a deficient number, since it is larger than the sum of its proper divisors (13945).

166127 is an equidigital number, since it uses as much as digits as its factorization.

166127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 996 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 166127 is about 407.5868005714. The cubic root of 166127 is about 54.9726585867.

Adding to 166127 its reverse (721661), we get a palindrome (887788).

The spelling of 166127 in words is "one hundred sixty-six thousand, one hundred twenty-seven".