2766688534672 has 20 divisors (see below), whose sum is σ = 5360486153580. Its totient is φ = 1383337269248.

The previous prime is 2766688534669. The next prime is 2766688534723. The reversal of 2766688534672 is 2764358866672.

It can be written as a sum of positive squares in 2 ways, for example, as 1266759254016 + 1499929280656 = 1125504^2 + 1224716^2 .

It is a super-3 number, since 3×2766688534672³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4542204 + ... + 5115172.

It is an arithmetic number, because the mean of its divisors is an integer number (268024307679).

Almost surely, 2^{2766688534672} is an apocalyptic number.

It is an amenable number.

2766688534672 is a deficient number, since it is larger than the sum of its proper divisors (2593797618908).

2766688534672 is a wasteful number, since it uses less digits than its factorization.

2766688534672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874770 (or 874764 counting only the distinct ones).

The product of its digits is 975421440, while the sum is 70.

The spelling of 2766688534672 in words is "two trillion, seven hundred sixty-six billion, six hundred eighty-eight million, five hundred thirty-four thousand, six hundred seventy-two".