16583355109 has 8 divisors (see below), whose sum is σ = 18125261568. Its totient is φ = 15104383680.

The previous prime is 16583355077. The next prime is 16583355163. The reversal of 16583355109 is 90155338561.

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 16583355109 - 2⁵ = 16583355077 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 (16583355179) 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, 15733207 + ... + 15734260.

It is an arithmetic number, because the mean of its divisors is an integer number (2265657696).

Almost surely, 2^16583355109 is an apocalyptic number.

It is an amenable number.

16583355109 is a deficient number, since it is larger than the sum of its proper divisors (1541906459).

16583355109 is a wasteful number, since it uses less digits than its factorization.

16583355109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31467515.

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 16583355109 in words is "sixteen billion, five hundred eighty-three million, three hundred fifty-five thousand, one hundred nine".