104043065566 has 12 divisors (see below), whose sum is σ = 171542079576. Its totient is φ = 47292302420.

The previous prime is 104043065507. The next prime is 104043065569. The reversal of 104043065566 is 665560340401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104043065569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 214964770 + ... + 214965253.

It is an arithmetic number, because the mean of its divisors is an integer number (14295173298).

Almost surely, 2^104043065566 is an apocalyptic number.

104043065566 is a deficient number, since it is larger than the sum of its proper divisors (67499014010).

104043065566 is a wasteful number, since it uses less digits than its factorization.

104043065566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429930047 (or 429930036 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 104043065566 in words is "one hundred four billion, forty-three million, sixty-five thousand, five hundred sixty-six".