16321003104443 has 8 divisors (see below), whose sum is σ = 16497705094416. Its totient is φ = 16144597348000.

The previous prime is 16321003104361. The next prime is 16321003104451. The reversal of 16321003104443 is 34440130012361.

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

It is a cyclic number.

It is not a de Polignac number, because 16321003104443 - 2¹⁴ = 16321003088059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16321003101443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73947596 + ... + 74167977.

It is an arithmetic number, because the mean of its divisors is an integer number (2062213136802).

Almost surely, 2^{16321003104443} is an apocalyptic number.

16321003104443 is a deficient number, since it is larger than the sum of its proper divisors (176701989973).

16321003104443 is a wasteful number, since it uses less digits than its factorization.

16321003104443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148116765.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 16321003104443 in words is "sixteen trillion, three hundred twenty-one billion, three million, one hundred four thousand, four hundred forty-three".