16639822308 has 24 divisors (see below), whose sum is σ = 38839403680. Its totient is φ = 5544728640.

The previous prime is 16639822289. The next prime is 16639822357. The reversal of 16639822308 is 80322893661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197713 + ... + 269016.

Almost surely, 2^16639822308 is an apocalyptic number.

It is an amenable number.

16639822308 is an abundant number, since it is smaller than the sum of its proper divisors (22199581372).

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

16639822308 is a wasteful number, since it uses less digits than its factorization.

16639822308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469707 (or 469705 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 16639822308 in words is "sixteen billion, six hundred thirty-nine million, eight hundred twenty-two thousand, three hundred eight".