866833338668 has 24 divisors (see below), whose sum is σ = 1655856506304. Its totient is φ = 393778758800.

The previous prime is 866833338659. The next prime is 866833338677.

866833338668 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (866833338659) and next prime (866833338677).

It is a junction number, because it is equal to n+sod(n) for n = 866833338598 and 866833338607.

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, 5835698 + ... + 5982393.

It is an arithmetic number, because the mean of its divisors is an integer number (68994021096).

Almost surely, 2^866833338668 is an apocalyptic number.

It is an amenable number.

866833338668 is a deficient number, since it is larger than the sum of its proper divisors (789023167636).

866833338668 is a wasteful number, since it uses less digits than its factorization.

866833338668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11819773 (or 11819771 counting only the distinct ones).

The product of its digits is 429981696, while the sum is 68.

The spelling of 866833338668 in words is "eight hundred sixty-six billion, eight hundred thirty-three million, three hundred thirty-eight thousand, six hundred sixty-eight".