8666850836668 has 24 divisors (see below), whose sum is σ = 15234535391040. Its totient is φ = 4314136169280.

The previous prime is 8666850836659. The next prime is 8666850836689. The reversal of 8666850836668 is 8666380586668.

It is a super-2 number, since 2×8666850836668² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8666850836594 and 8666850836603.

It is a congruent number.

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, 2354478 + ... + 4783018.

It is an arithmetic number, because the mean of its divisors is an integer number (634772307960).

Almost surely, 2^{8666850836668} is an apocalyptic number.

It is an amenable number.

8666850836668 is a deficient number, since it is larger than the sum of its proper divisors (6567684554372).

8666850836668 is a wasteful number, since it uses less digits than its factorization.

8666850836668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432517 (or 2432515 counting only the distinct ones).

The product of its (nonzero) digits is 2866544640, while the sum is 76.

The spelling of 8666850836668 in words is "eight trillion, six hundred sixty-six billion, eight hundred fifty million, eight hundred thirty-six thousand, six hundred sixty-eight".