166466466 has 24 divisors (see below), whose sum is σ = 372313344. Its totient is φ = 53698680.

The previous prime is 166466449. The next prime is 166466471. The reversal of 166466466 is 664664661.

It is a super-2 number, since 2×166466466² = 55422168605058312, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148606 + ... + 149721.

It is an arithmetic number, because the mean of its divisors is an integer number (15513056).

Almost surely, 2^166466466 is an apocalyptic number.

166466466 is an abundant number, since it is smaller than the sum of its proper divisors (205846878).

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

166466466 is a wasteful number, since it uses less digits than its factorization.

166466466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298366 (or 298363 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 166466466 is about 12902.1884190241. The cubic root of 166466466 is about 550.1007705165.

The spelling of 166466466 in words is "one hundred sixty-six million, four hundred sixty-six thousand, four hundred sixty-six".