166230066 has 8 divisors (see below), whose sum is σ = 332460144. Its totient is φ = 55410020.

The previous prime is 166230049. The next prime is 166230067. The reversal of 166230066 is 660032661.

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

166230066 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (166230067) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13852500 + ... + 13852511.

It is an arithmetic number, because the mean of its divisors is an integer number (41557518).

Almost surely, 2^166230066 is an apocalyptic number.

166230066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

166230066 is a wasteful number, since it uses less digits than its factorization.

166230066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27705016.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 166230066 is about 12893.0239276905. The cubic root of 166230066 is about 549.8402467154.

The spelling of 166230066 in words is "one hundred sixty-six million, two hundred thirty thousand, sixty-six".