803566065868 has 6 divisors (see below), whose sum is σ = 1406240615276. Its totient is φ = 401783032932.

The previous prime is 803566065859. The next prime is 803566065901. The reversal of 803566065868 is 868560665308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100445758230 + ... + 100445758237.

Almost surely, 2^803566065868 is an apocalyptic number.

It is an amenable number.

803566065868 is a deficient number, since it is larger than the sum of its proper divisors (602674549408).

803566065868 is a wasteful number, since it uses less digits than its factorization.

803566065868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200891516471 (or 200891516469 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 61.

The spelling of 803566065868 in words is "eight hundred three billion, five hundred sixty-six million, sixty-five thousand, eight hundred sixty-eight".