16103980043999 has 4 divisors (see below), whose sum is σ = 16116358200600. Its totient is φ = 16091601887400.

The previous prime is 16103980043951. The next prime is 16103980044023. The reversal of 16103980043999 is 99934008930161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16103980043999 - 2⁸ = 16103980043743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16103980043299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6189076349 + ... + 6189078950.

It is an arithmetic number, because the mean of its divisors is an integer number (4029089550150).

Almost surely, 2^{16103980043999} is an apocalyptic number.

16103980043999 is a deficient number, since it is larger than the sum of its proper divisors (12378156601).

16103980043999 is a wasteful number, since it uses less digits than its factorization.

16103980043999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12378156600.

The product of its (nonzero) digits is 11337408, while the sum is 62.

The spelling of 16103980043999 in words is "sixteen trillion, one hundred three billion, nine hundred eighty million, forty-three thousand, nine hundred ninety-nine".