166126227 has 8 divisors (see below), whose sum is σ = 234531216. Its totient is φ = 104236032.

The previous prime is 166126223. The next prime is 166126229. The reversal of 166126227 is 722621661.

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

It is not a de Polignac number, because 166126227 - 2² = 166126223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166126223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1628638 + ... + 1628739.

It is an arithmetic number, because the mean of its divisors is an integer number (29316402).

Almost surely, 2^166126227 is an apocalyptic number.

166126227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

166126227 is a deficient number, since it is larger than the sum of its proper divisors (68404989).

166126227 is a wasteful number, since it uses less digits than its factorization.

166126227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257397.

The product of its digits is 12096, while the sum is 33.

The square root of 166126227 is about 12888.9963534792. The cubic root of 166126227 is about 549.7257332274.

Adding to 166126227 its reverse (722621661), we get a palindrome (888747888).

The spelling of 166126227 in words is "one hundred sixty-six million, one hundred twenty-six thousand, two hundred twenty-seven".