16384871538564 has 48 divisors (see below), whose sum is σ = 39955260054528. Its totient is φ = 5216087444128.

The previous prime is 16384871538547. The next prime is 16384871538571. The reversal of 16384871538564 is 46583517848361.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45698922 + ... + 46056065.

It is an arithmetic number, because the mean of its divisors is an integer number (832401251136).

Almost surely, 2^{16384871538564} is an apocalyptic number.

It is an amenable number.

16384871538564 is an abundant number, since it is smaller than the sum of its proper divisors (23570388515964).

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

16384871538564 is a wasteful number, since it uses less digits than its factorization.

16384871538564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91755664 (or 91755662 counting only the distinct ones).

The product of its digits is 464486400, while the sum is 69.

The spelling of 16384871538564 in words is "sixteen trillion, three hundred eighty-four billion, eight hundred seventy-one million, five hundred thirty-eight thousand, five hundred sixty-four".