166045066 has 16 divisors (see below), whose sum is σ = 286011360. Its totient is φ = 71502480.

The previous prime is 166045063. The next prime is 166045067. The reversal of 166045066 is 660540661.

166045066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166045063) 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, 198201 + ... + 199036.

It is an arithmetic number, because the mean of its divisors is an integer number (17875710).

Almost surely, 2^166045066 is an apocalyptic number.

166045066 is a deficient number, since it is larger than the sum of its proper divisors (119966294).

166045066 is a wasteful number, since it uses less digits than its factorization.

166045066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397269.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 166045066 is about 12885.8475080221. The cubic root of 166045066 is about 549.6361957739.

The spelling of 166045066 in words is "one hundred sixty-six million, forty-five thousand, sixty-six".