166630166 has 16 divisors (see below), whose sum is σ = 258675120. Its totient is φ = 80439840.

The previous prime is 166630159. The next prime is 166630169. The reversal of 166630166 is 661036661.

It is a super-3 number, since 3×166630166³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166630169) 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, 1100 + ... + 18288.

It is an arithmetic number, because the mean of its divisors is an integer number (16167195).

Almost surely, 2^166630166 is an apocalyptic number.

166630166 is a deficient number, since it is larger than the sum of its proper divisors (92044954).

166630166 is a wasteful number, since it uses less digits than its factorization.

166630166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17359.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 166630166 is about 12908.5307452088. The cubic root of 166630166 is about 550.2810310340.

The spelling of 166630166 in words is "one hundred sixty-six million, six hundred thirty thousand, one hundred sixty-six".