16938726128 has 20 divisors (see below), whose sum is σ = 32830381608. Its totient is φ = 8466369600.

The previous prime is 16938726041. The next prime is 16938726131. The reversal of 16938726128 is 82162783961.

16938726128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 16938726128.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140051 + ... + 231282.

Almost surely, 2^16938726128 is an apocalyptic number.

It is an amenable number.

16938726128 is a deficient number, since it is larger than the sum of its proper divisors (15891655480).

16938726128 is a wasteful number, since it uses less digits than its factorization.

16938726128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374192 (or 374186 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The spelling of 16938726128 in words is "sixteen billion, nine hundred thirty-eight million, seven hundred twenty-six thousand, one hundred twenty-eight".