166464222 has 32 divisors (see below), whose sum is σ = 338100000. Its totient is φ = 54632448.

The previous prime is 166464209. The next prime is 166464281. The reversal of 166464222 is 222464661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132654 + ... + 133902.

It is an arithmetic number, because the mean of its divisors is an integer number (10565625).

Almost surely, 2^166464222 is an apocalyptic number.

166464222 is an abundant number, since it is smaller than the sum of its proper divisors (171635778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166464222 is a wasteful number, since it uses less digits than its factorization.

166464222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580.

The product of its digits is 27648, while the sum is 33.

The square root of 166464222 is about 12902.1014567395. The cubic root of 166464222 is about 550.0982986840.

The spelling of 166464222 in words is "one hundred sixty-six million, four hundred sixty-four thousand, two hundred twenty-two".