16306247808 has 128 divisors (see below), whose sum is σ = 50218761600. Its totient is φ = 5199068160.

The previous prime is 16306247791. The next prime is 16306247863. The reversal of 16306247808 is 80874260361.

16306247808 is a `hidden beast` number, since 1 + 630 + 6 + 2 + 4 + 7 + 8 + 0 + 8 = 666.

16306247808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

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 15 ways as a sum of consecutive naturals, for example, 23083 + ... + 182058.

It is an arithmetic number, because the mean of its divisors is an integer number (392334075).

Almost surely, 2^16306247808 is an apocalyptic number.

16306247808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16306247808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25109380800).

16306247808 is an abundant number, since it is smaller than the sum of its proper divisors (33912513792).

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

16306247808 is a wasteful number, since it uses less digits than its factorization.

16306247808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205187 (or 205169 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 16306247808 in words is "sixteen billion, three hundred six million, two hundred forty-seven thousand, eight hundred eight".