16446782616 has 64 divisors (see below), whose sum is σ = 45469365120. Its totient is φ = 4915595520.

The previous prime is 16446782567. The next prime is 16446782621. The reversal of 16446782616 is 61628764461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407430 + ... + 445973.

It is an arithmetic number, because the mean of its divisors is an integer number (710458830).

Almost surely, 2^16446782616 is an apocalyptic number.

It is an amenable number.

16446782616 is an abundant number, since it is smaller than the sum of its proper divisors (29022582504).

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

16446782616 is a wasteful number, since it uses less digits than its factorization.

16446782616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853496 (or 853492 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The spelling of 16446782616 in words is "sixteen billion, four hundred forty-six million, seven hundred eighty-two thousand, six hundred sixteen".