166006166 has 8 divisors (see below), whose sum is σ = 249073704. Its totient is φ = 82981600.

The previous prime is 166006163. The next prime is 166006189. The reversal of 166006166 is 661600661.

166006166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166006163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1886 + ... + 18318.

It is an arithmetic number, because the mean of its divisors is an integer number (31134213).

Almost surely, 2^166006166 is an apocalyptic number.

166006166 is a deficient number, since it is larger than the sum of its proper divisors (83067538).

166006166 is a wasteful number, since it uses less digits than its factorization.

166006166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21486.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 166006166 is about 12884.3380117102. The cubic root of 166006166 is about 549.5932706444.

The spelling of 166006166 in words is "one hundred sixty-six million, six thousand, one hundred sixty-six".