2066625671212 has 12 divisors (see below), whose sum is σ = 3616619777680. Its totient is φ = 1033305734736.

The previous prime is 2066625671189. The next prime is 2066625671213. The reversal of 2066625671212 is 2121765266602.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2066625671213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1091088 + ... + 2307319.

Almost surely, 2^{2066625671212} is an apocalyptic number.

It is an amenable number.

2066625671212 is a deficient number, since it is larger than the sum of its proper divisors (1549994106468).

2066625671212 is a wasteful number, since it uses less digits than its factorization.

2066625671212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3550440 (or 3550438 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 2066625671212 in words is "two trillion, sixty-six billion, six hundred twenty-five million, six hundred seventy-one thousand, two hundred twelve".