16323393984 has 56 divisors (see below), whose sum is σ = 43230149760. Its totient is φ = 5435944704.

The previous prime is 16323393973. The next prime is 16323394013. The reversal of 16323393984 is 48939332361.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent 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, 164107 + ... + 244085.

It is an arithmetic number, because the mean of its divisors is an integer number (771966960).

Almost surely, 2^16323393984 is an apocalyptic number.

It is an amenable number.

16323393984 is an abundant number, since it is smaller than the sum of its proper divisors (26906755776).

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

16323393984 is a wasteful number, since it uses less digits than its factorization.

16323393984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81057 (or 81047 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 51.

The spelling of 16323393984 in words is "sixteen billion, three hundred twenty-three million, three hundred ninety-three thousand, nine hundred eighty-four".