166122107 has 2 divisors, whose sum is σ = 166122108. Its totient is φ = 166122106.

The previous prime is 166122083. The next prime is 166122133. The reversal of 166122107 is 701221661.

It is an a-pointer prime, because the next prime (166122133) can be obtained adding 166122107 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166122107 - 2⁶ = 166122043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (166122157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83061053 + 83061054.

It is an arithmetic number, because the mean of its divisors is an integer number (83061054).

Almost surely, 2^166122107 is an apocalyptic number.

166122107 is a deficient number, since it is larger than the sum of its proper divisors (1).

166122107 is an equidigital number, since it uses as much as digits as its factorization.

166122107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 166122107 is about 12888.8365262346. The cubic root of 166122107 is about 549.7211887137.

Adding to 166122107 its reverse (701221661), we get a palindrome (867343768).

The spelling of 166122107 in words is "one hundred sixty-six million, one hundred twenty-two thousand, one hundred seven".