16688383717 has 8 divisors (see below), whose sum is σ = 16750278720. Its totient is φ = 16626590400.

The previous prime is 16688383711. The next prime is 16688383739. The reversal of 16688383717 is 71738388661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16688383717 - 2⁷ = 16688383589 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 (16688383711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311638 + ... + 361240.

It is an arithmetic number, because the mean of its divisors is an integer number (2093784840).

Almost surely, 2^16688383717 is an apocalyptic number.

It is an amenable number.

16688383717 is a deficient number, since it is larger than the sum of its proper divisors (61895003).

16688383717 is an equidigital number, since it uses as much as digits as its factorization.

16688383717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50843.

The product of its digits is 8128512, while the sum is 58.

The spelling of 16688383717 in words is "sixteen billion, six hundred eighty-eight million, three hundred eighty-three thousand, seven hundred seventeen".