166605466 has 8 divisors (see below), whose sum is σ = 250954560. Its totient is φ = 82953948.

The previous prime is 166605451. The next prime is 166605473. The reversal of 166605466 is 664506661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173796 + ... + 174751.

It is an arithmetic number, because the mean of its divisors is an integer number (31369320).

Almost surely, 2^166605466 is an apocalyptic number.

166605466 is a deficient number, since it is larger than the sum of its proper divisors (84349094).

166605466 is a wasteful number, since it uses less digits than its factorization.

166605466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348788.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 166605466 is about 12907.5739780952. The cubic root of 166605466 is about 550.2538398528.

The spelling of 166605466 in words is "one hundred sixty-six million, six hundred five thousand, four hundred sixty-six".