16383649671 has 6 divisors (see below), whose sum is σ = 23665271760. Its totient is φ = 10922433108.

The previous prime is 16383649657. The next prime is 16383649679. The reversal of 16383649671 is 17694638361.

It is a happy number.

16383649671 is a `hidden beast` number, since 1 + 6 + 3 + 83 + 6 + 496 + 71 = 666.

16383649671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16383649671 - 2¹⁰ = 16383648647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16383649679) 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 5 ways as a sum of consecutive naturals, for example, 910202751 + ... + 910202768.

It is an arithmetic number, because the mean of its divisors is an integer number (3944211960).

Almost surely, 2^16383649671 is an apocalyptic number.

16383649671 is a deficient number, since it is larger than the sum of its proper divisors (7281622089).

16383649671 is a wasteful number, since it uses less digits than its factorization.

16383649671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820405525 (or 1820405522 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The spelling of 16383649671 in words is "sixteen billion, three hundred eighty-three million, six hundred forty-nine thousand, six hundred seventy-one".