16383805693 has 8 divisors (see below), whose sum is σ = 16960635000. Its totient is φ = 15807767808.

The previous prime is 16383805681. The next prime is 16383805699. The reversal of 16383805693 is 39650838361.

16383805693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6904446649 + 9479359044 = 83093^2 + 97362^2 .

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 16383805693 - 2¹³ = 16383797501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16383805693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16383805699) 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 7 ways as a sum of consecutive naturals, for example, 155568 + ... + 238681.

It is an arithmetic number, because the mean of its divisors is an integer number (2120079375).

Almost surely, 2^16383805693 is an apocalyptic number.

It is an amenable number.

16383805693 is a deficient number, since it is larger than the sum of its proper divisors (576829307).

16383805693 is a wasteful number, since it uses less digits than its factorization.

16383805693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395711.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 16383805693 in words is "sixteen billion, three hundred eighty-three million, eight hundred five thousand, six hundred ninety-three".