166452227 has 2 divisors, whose sum is σ = 166452228. Its totient is φ = 166452226.

The previous prime is 166452119. The next prime is 166452241. The reversal of 166452227 is 722254661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166452227 - 2¹⁰ = 166451203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (166452827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83226113 + 83226114.

It is an arithmetic number, because the mean of its divisors is an integer number (83226114).

Almost surely, 2^166452227 is an apocalyptic number.

166452227 is a deficient number, since it is larger than the sum of its proper divisors (1).

166452227 is an equidigital number, since it uses as much as digits as its factorization.

166452227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 166452227 is about 12901.6366016099. The cubic root of 166452227 is about 550.0850854591.

The spelling of 166452227 in words is "one hundred sixty-six million, four hundred fifty-two thousand, two hundred twenty-seven".