16783128028 has 12 divisors (see below), whose sum is σ = 29371480600. Its totient is φ = 8391276432.

The previous prime is 16783128017. The next prime is 16783128031. The reversal of 16783128028 is 82082138761.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111250 + ... + 214342.

Almost surely, 2^16783128028 is an apocalyptic number.

It is an amenable number.

16783128028 is a deficient number, since it is larger than the sum of its proper divisors (12588352572).

16783128028 is a wasteful number, since it uses less digits than its factorization.

16783128028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143796 (or 143794 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 16783128028 in words is "sixteen billion, seven hundred eighty-three million, one hundred twenty-eight thousand, twenty-eight".