2066796666672 has 40 divisors (see below), whose sum is σ = 5378197182576. Its totient is φ = 683903517696.

The previous prime is 2066796666631. The next prime is 2066796666769. The reversal of 2066796666672 is 2766666976602.

It is a super-2 number, since 2×2066796666672² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2066796666597 and 2066796666606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157140373 + ... + 157153524.

Almost surely, 2^{2066796666672} is an apocalyptic number.

It is an amenable number.

2066796666672 is an abundant number, since it is smaller than the sum of its proper divisors (3311400515904).

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

2066796666672 is a wasteful number, since it uses less digits than its factorization.

2066796666672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314294045 (or 314294039 counting only the distinct ones).

The product of its (nonzero) digits is 493807104, while the sum is 69.

The spelling of 2066796666672 in words is "two trillion, sixty-six billion, seven hundred ninety-six million, six hundred sixty-six thousand, six hundred seventy-two".