16785683413 has 4 divisors (see below), whose sum is σ = 16786568448. Its totient is φ = 16784798380.

The previous prime is 16785683407. The next prime is 16785683441. The reversal of 16785683413 is 31438658761.

It is a happy number.

16785683413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16785683413 - 2⁵ = 16785683381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16785683813) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 413431 + ... + 452212.

It is an arithmetic number, because the mean of its divisors is an integer number (4196642112).

Almost surely, 2^16785683413 is an apocalyptic number.

It is an amenable number.

16785683413 is a deficient number, since it is larger than the sum of its proper divisors (885035).

16785683413 is an equidigital number, since it uses as much as digits as its factorization.

16785683413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885034.

The product of its digits is 2903040, while the sum is 52.

The spelling of 16785683413 in words is "sixteen billion, seven hundred eighty-five million, six hundred eighty-three thousand, four hundred thirteen".