166122446 has 16 divisors (see below), whose sum is σ = 290594400. Its totient is φ = 71195040.

The previous prime is 166122421. The next prime is 166122449. The reversal of 166122446 is 644221661.

166122446 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166122449) 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 in 7 ways as a sum of consecutive naturals, for example, 120395 + ... + 121766.

It is an arithmetic number, because the mean of its divisors is an integer number (18162150).

Almost surely, 2^166122446 is an apocalyptic number.

166122446 is a deficient number, since it is larger than the sum of its proper divisors (124471954).

166122446 is an equidigital number, since it uses as much as digits as its factorization.

166122446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242184 (or 242170 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 166122446 is about 12888.8496771434. The cubic root of 166122446 is about 549.7215626462.

The spelling of 166122446 in words is "one hundred sixty-six million, one hundred twenty-two thousand, four hundred forty-six".