16939238616924 has 48 divisors (see below), whose sum is σ = 42597343100928. Its totient is φ = 5208145645248.

The previous prime is 16939238616917. The next prime is 16939238616959. The reversal of 16939238616924 is 42961683293961.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40706652 + ... + 41120675.

It is an arithmetic number, because the mean of its divisors is an integer number (887444647936).

Almost surely, 2^{16939238616924} is an apocalyptic number.

It is an amenable number.

16939238616924 is an abundant number, since it is smaller than the sum of its proper divisors (25658104484004).

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

16939238616924 is a wasteful number, since it uses less digits than its factorization.

16939238616924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81828674 (or 81828672 counting only the distinct ones).

The product of its digits is 181398528, while the sum is 69.

The spelling of 16939238616924 in words is "sixteen trillion, nine hundred thirty-nine billion, two hundred thirty-eight million, six hundred sixteen thousand, nine hundred twenty-four".