166500166 has 8 divisors (see below), whose sum is σ = 285428880. Its totient is φ = 71357208.

The previous prime is 166500143. The next prime is 166500203. The reversal of 166500166 is 661005661.

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

It is a congruent number.

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, 5946421 + ... + 5946448.

It is an arithmetic number, because the mean of its divisors is an integer number (35678610).

Almost surely, 2^166500166 is an apocalyptic number.

166500166 is a deficient number, since it is larger than the sum of its proper divisors (118928714).

166500166 is a wasteful number, since it uses less digits than its factorization.

166500166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11892878.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 166500166 is about 12903.4943329317. The cubic root of 166500166 is about 550.1378893941.

The spelling of 166500166 in words is "one hundred sixty-six million, five hundred thousand, one hundred sixty-six".