16381782836 has 12 divisors (see below), whose sum is σ = 28839786528. Its totient is φ = 8141843832.

The previous prime is 16381782829. The next prime is 16381782847. The reversal of 16381782836 is 63828718361.

16381782836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12261146 + ... + 12262481.

It is an arithmetic number, because the mean of its divisors is an integer number (2403315544).

Almost surely, 2^16381782836 is an apocalyptic number.

It is an amenable number.

16381782836 is a deficient number, since it is larger than the sum of its proper divisors (12458003692).

16381782836 is a wasteful number, since it uses less digits than its factorization.

16381782836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24523798 (or 24523796 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The spelling of 16381782836 in words is "sixteen billion, three hundred eighty-one million, seven hundred eighty-two thousand, eight hundred thirty-six".