166745466 has 40 divisors (see below), whose sum is σ = 385697664. Its totient is φ = 53787240.

The previous prime is 166745459. The next prime is 166745489. The reversal of 166745466 is 664547661.

166745466 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11580 + ... + 21623.

Almost surely, 2^166745466 is an apocalyptic number.

166745466 is an abundant number, since it is smaller than the sum of its proper divisors (218952198).

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

166745466 is a wasteful number, since it uses less digits than its factorization.

166745466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33248 (or 33239 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 166745466 is about 12912.9960117705. The cubic root of 166745466 is about 550.4079243728.

The spelling of 166745466 in words is "one hundred sixty-six million, seven hundred forty-five thousand, four hundred sixty-six".