16781419308 has 24 divisors (see below), whose sum is σ = 39219920320. Its totient is φ = 5584767120.

The previous prime is 16781419307. The next prime is 16781419327. The reversal of 16781419308 is 80391418761.

It is not an unprimeable number, because it can be changed into a prime (16781419307) 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, 1122178 + ... + 1137033.

Almost surely, 2^16781419308 is an apocalyptic number.

It is an amenable number.

16781419308 is an abundant number, since it is smaller than the sum of its proper divisors (22438501012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16781419308 is a wasteful number, since it uses less digits than its factorization.

16781419308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259837 (or 2259835 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 16781419308 in words is "sixteen billion, seven hundred eighty-one million, four hundred nineteen thousand, three hundred eight".