16586768449 has 8 divisors (see below), whose sum is σ = 16957611648. Its totient is φ = 16216672560.

The previous prime is 16586768441. The next prime is 16586768453. The reversal of 16586768449 is 94486768561.

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 16586768449 - 2³ = 16586768441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16586768441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141822 + ... + 230839.

It is an arithmetic number, because the mean of its divisors is an integer number (2119701456).

Almost surely, 2^16586768449 is an apocalyptic number.

It is an amenable number.

16586768449 is a deficient number, since it is larger than the sum of its proper divisors (370843199).

16586768449 is an equidigital number, since it uses as much as digits as its factorization.

16586768449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373655.

The product of its digits is 69672960, while the sum is 64.

The spelling of 16586768449 in words is "sixteen billion, five hundred eighty-six million, seven hundred sixty-eight thousand, four hundred forty-nine".