166645014 has 16 divisors (see below), whose sum is σ = 333476352. Its totient is φ = 55517288.

The previous prime is 166645007. The next prime is 166645079. The reversal of 166645014 is 410546661.

It is a happy number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5647 + ... + 19109.

It is an arithmetic number, because the mean of its divisors is an integer number (20842272).

Almost surely, 2^166645014 is an apocalyptic number.

166645014 is an abundant number, since it is smaller than the sum of its proper divisors (166831338).

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

166645014 is a wasteful number, since it uses less digits than its factorization.

166645014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15531.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 166645014 is about 12909.1058559453. The cubic root of 166645014 is about 550.2973752736.

The spelling of 166645014 in words is "one hundred sixty-six million, six hundred forty-five thousand, fourteen".