16620896416 has 24 divisors (see below), whose sum is σ = 32866555680. Its totient is φ = 8273834688.

The previous prime is 16620896389. The next prime is 16620896497. The reversal of 16620896416 is 61469802661.

16620896416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 16620896416.

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 3 ways as a sum of consecutive naturals, for example, 1136796 + ... + 1151323.

It is an arithmetic number, because the mean of its divisors is an integer number (1369439820).

Almost surely, 2^16620896416 is an apocalyptic number.

16620896416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16620896416 is a deficient number, since it is larger than the sum of its proper divisors (16245659264).

16620896416 is a wasteful number, since it uses less digits than its factorization.

16620896416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288356 (or 2288348 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 16620896416 in words is "sixteen billion, six hundred twenty million, eight hundred ninety-six thousand, four hundred sixteen".