16384949728985 has 8 divisors (see below), whose sum is σ = 19662035980416. Its totient is φ = 13107895579440.

The previous prime is 16384949728949. The next prime is 16384949728997. The reversal of 16384949728985 is 58982794948361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16384949728985 - 2⁸ = 16384949728729 is a prime.

It is a Duffinian number.

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, 6887921 + ... + 8956190.

It is an arithmetic number, because the mean of its divisors is an integer number (2457754497552).

Almost surely, 2^{16384949728985} is an apocalyptic number.

It is an amenable number.

16384949728985 is a deficient number, since it is larger than the sum of its proper divisors (3277086251431).

16384949728985 is a wasteful number, since it uses less digits than its factorization.

16384949728985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16050943.

The product of its digits is 7524679680, while the sum is 83.

The spelling of 16384949728985 in words is "sixteen trillion, three hundred eighty-four billion, nine hundred forty-nine million, seven hundred twenty-eight thousand, nine hundred eighty-five".