16783226369 has 32 divisors (see below), whose sum is σ = 21341128704. Its totient is φ = 12839523840.

The previous prime is 16783226363. The next prime is 16783226389. The reversal of 16783226369 is 96362238761.

It is a happy number.

16783226369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-16783226369 is a prime.

It is a super-2 number, since 2×16783226369² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16783226369.

It is not an unprimeable number, because it can be changed into a prime (16783226363) 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 31 ways as a sum of consecutive naturals, for example, 4887077 + ... + 4890509.

It is an arithmetic number, because the mean of its divisors is an integer number (666910272).

Almost surely, 2^16783226369 is an apocalyptic number.

It is an amenable number.

16783226369 is a deficient number, since it is larger than the sum of its proper divisors (4557902335).

16783226369 is a wasteful number, since it uses less digits than its factorization.

16783226369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217.

The product of its digits is 3919104, while the sum is 53.

The spelling of 16783226369 in words is "sixteen billion, seven hundred eighty-three million, two hundred twenty-six thousand, three hundred sixty-nine".