66046664066 has 32 divisors (see below), whose sum is σ = 104703408000. Its totient is φ = 31159683072.

The previous prime is 66046664063. The next prime is 66046664107.

66046664066 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (66046664063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24560450 + ... + 24563138.

It is an arithmetic number, because the mean of its divisors is an integer number (3271981500).

Almost surely, 2^66046664066 is an apocalyptic number.

66046664066 is a deficient number, since it is larger than the sum of its proper divisors (38656743934).

66046664066 is a wasteful number, since it uses less digits than its factorization.

66046664066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5066.

The product of its (nonzero) digits is 4478976, while the sum is 50.

The spelling of 66046664066 in words is "sixty-six billion, forty-six million, six hundred sixty-four thousand, sixty-six".