16984403388 has 18 divisors (see below), whose sum is σ = 42932797544. Its totient is φ = 5661467784.

The previous prime is 16984403363. The next prime is 16984403399. The reversal of 16984403388 is 88330448961.

16984403388 is a `hidden beast` number, since 1 + 6 + 98 + 440 + 33 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235894456 + ... + 235894527.

Almost surely, 2^16984403388 is an apocalyptic number.

16984403388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16984403388 is an abundant number, since it is smaller than the sum of its proper divisors (25948394156).

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

16984403388 is a wasteful number, since it uses less digits than its factorization.

16984403388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471788993 (or 471788988 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 16984403388 in words is "sixteen billion, nine hundred eighty-four million, four hundred three thousand, three hundred eighty-eight".