166664122 has 16 divisors (see below), whose sum is σ = 261702144. Its totient is φ = 79506000.

The previous prime is 166664119. The next prime is 166664123. The reversal of 166664122 is 221466661.

It is not an unprimeable number, because it can be changed into a prime (166664123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14529 + ... + 23332.

It is an arithmetic number, because the mean of its divisors is an integer number (16356384).

Almost surely, 2^166664122 is an apocalyptic number.

166664122 is a deficient number, since it is larger than the sum of its proper divisors (95038022).

166664122 is a wasteful number, since it uses less digits than its factorization.

166664122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37965.

The product of its digits is 20736, while the sum is 34.

The square root of 166664122 is about 12909.8459324657. The cubic root of 166664122 is about 550.3184073668.

The spelling of 166664122 in words is "one hundred sixty-six million, six hundred sixty-four thousand, one hundred twenty-two".