16281676818 has 24 divisors (see below), whose sum is σ = 38483963856. Its totient is φ = 4933841400.

The previous prime is 16281676813. The next prime is 16281676819. The reversal of 16281676818 is 81867618261.

It is a happy number.

16281676818 is a `hidden beast` number, since 1 + 628 + 1 + 6 + 7 + 6 + 8 + 1 + 8 = 666.

16281676818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16281676813) 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 11 ways as a sum of consecutive naturals, for example, 41115148 + ... + 41115543.

It is an arithmetic number, because the mean of its divisors is an integer number (1603498494).

Almost surely, 2^16281676818 is an apocalyptic number.

16281676818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16281676818 is an abundant number, since it is smaller than the sum of its proper divisors (22202287038).

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

16281676818 is a wasteful number, since it uses less digits than its factorization.

16281676818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82230710 (or 82230707 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 54.

The spelling of 16281676818 in words is "sixteen billion, two hundred eighty-one million, six hundred seventy-six thousand, eight hundred eighteen".