16516500008 has 64 divisors (see below), whose sum is σ = 34628549760. Its totient is φ = 7344848896.

The previous prime is 16516500001. The next prime is 16516500017. The reversal of 16516500008 is 80000561561.

It is a happy number.

16516500008 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 (16516500001) 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 15 ways as a sum of consecutive naturals, for example, 227816 + ... + 291432.

It is an arithmetic number, because the mean of its divisors is an integer number (541071090).

Almost surely, 2^16516500008 is an apocalyptic number.

It is an amenable number.

16516500008 is an abundant number, since it is smaller than the sum of its proper divisors (18112049752).

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

16516500008 is a wasteful number, since it uses less digits than its factorization.

16516500008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63746 (or 63742 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 16516500008 in words is "sixteen billion, five hundred sixteen million, five hundred thousand, eight".