16066066 has 16 divisors (see below), whose sum is σ = 24897600. Its totient is φ = 7769520.

The previous prime is 16066051. The next prime is 16066067. The reversal of 16066066 is 66066061.

It is a super-3 number, since 3×16066066³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16066067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14181 + ... + 15271.

It is an arithmetic number, because the mean of its divisors is an integer number (1556100).

Almost surely, 2^16066066 is an apocalyptic number.

16066066 is a deficient number, since it is larger than the sum of its proper divisors (8831534).

16066066 is a wasteful number, since it uses less digits than its factorization.

16066066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 16066066 is about 4008.2497427181. The cubic root of 16066066 is about 252.3305584771.

The spelling of 16066066 in words is "sixteen million, sixty-six thousand, sixty-six".