128003900016 has 20 divisors (see below), whose sum is σ = 330676741832. Its totient is φ = 42667966656.

The previous prime is 128003899967. The next prime is 128003900027. The reversal of 128003900016 is 610009300821.

128003900016 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×128003900016² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1333373911 + ... + 1333374006.

Almost surely, 2^128003900016 is an apocalyptic number.

128003900016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

128003900016 is an abundant number, since it is smaller than the sum of its proper divisors (202672841816).

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

128003900016 is a wasteful number, since it uses less digits than its factorization.

128003900016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666747928 (or 2666747922 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 128003900016 in words is "one hundred twenty-eight billion, three million, nine hundred thousand, sixteen".