166822333 has 2 divisors, whose sum is σ = 166822334. Its totient is φ = 166822332.

The previous prime is 166822321. The next prime is 166822339. The reversal of 166822333 is 333228661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120077764 + 46744569 = 10958^2 + 6837^2 .

It is an emirp because it is prime and its reverse (333228661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166822333 - 2²¹ = 164725181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166822339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83411166 + 83411167.

It is an arithmetic number, because the mean of its divisors is an integer number (83411167).

Almost surely, 2^166822333 is an apocalyptic number.

It is an amenable number.

166822333 is a deficient number, since it is larger than the sum of its proper divisors (1).

166822333 is an equidigital number, since it uses as much as digits as its factorization.

166822333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 34.

The square root of 166822333 is about 12915.9720114283. The cubic root of 166822333 is about 550.4924878045.

The spelling of 166822333 in words is "one hundred sixty-six million, eight hundred twenty-two thousand, three hundred thirty-three".