66016206 has 12 divisors (see below), whose sum is σ = 143035152. Its totient is φ = 22005396.

The previous prime is 66016199. The next prime is 66016207. The reversal of 66016206 is 60261066.

66016206 is nontrivially palindromic in base 5.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66016206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66016207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1833766 + ... + 1833801.

It is an arithmetic number, because the mean of its divisors is an integer number (11919596).

Almost surely, 2^66016206 is an apocalyptic number.

66016206 is an abundant number, since it is smaller than the sum of its proper divisors (77018946).

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

66016206 is a wasteful number, since it uses less digits than its factorization.

66016206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667575 (or 3667572 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 66016206 is about 8125.0357537675. The cubic root of 66016206 is about 404.1570762926.

The spelling of 66016206 in words is "sixty-six million, sixteen thousand, two hundred six".