16680239103 has 32 divisors (see below), whose sum is σ = 24797952000. Its totient is φ = 9887724000.

The previous prime is 16680239089. The next prime is 16680239179. The reversal of 16680239103 is 30193208661.

It is a Cunningham number, because it is equal to 129152²-1.

It is not a de Polignac number, because 16680239103 - 2⁴ = 16680239087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16680239003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365928 + ... + 408978.

It is an arithmetic number, because the mean of its divisors is an integer number (774936000).

Almost surely, 2^16680239103 is an apocalyptic number.

16680239103 is a deficient number, since it is larger than the sum of its proper divisors (8117712897).

16680239103 is a wasteful number, since it uses less digits than its factorization.

16680239103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43323.

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 16680239103 in words is "sixteen billion, six hundred eighty million, two hundred thirty-nine thousand, one hundred three".