1686080410559 has 4 divisors (see below), whose sum is σ = 1686151670040. Its totient is φ = 1686009151080.

The previous prime is 1686080410501. The next prime is 1686080410561. The reversal of 1686080410559 is 9550140806861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1686080410559 - 2¹² = 1686080406463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1686080410559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1686080410159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35594237 + ... + 35641574.

It is an arithmetic number, because the mean of its divisors is an integer number (421537917510).

Almost surely, 2^{1686080410559} is an apocalyptic number.

1686080410559 is a deficient number, since it is larger than the sum of its proper divisors (71259481).

1686080410559 is an equidigital number, since it uses as much as digits as its factorization.

1686080410559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71259480.

The product of its (nonzero) digits is 2073600, while the sum is 53.

The spelling of 1686080410559 in words is "one trillion, six hundred eighty-six billion, eighty million, four hundred ten thousand, five hundred fifty-nine".