16683351672 has 64 divisors (see below), whose sum is σ = 45532075680. Its totient is φ = 5063012352.

The previous prime is 16683351667. The next prime is 16683351673. The reversal of 16683351672 is 27615338661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16683351673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343473 + ... + 389024.

Almost surely, 2^16683351672 is an apocalyptic number.

16683351672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16683351672 is an abundant number, since it is smaller than the sum of its proper divisors (28848724008).

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

16683351672 is a wasteful number, since it uses less digits than its factorization.

16683351672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732592 (or 732588 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The spelling of 16683351672 in words is "sixteen billion, six hundred eighty-three million, three hundred fifty-one thousand, six hundred seventy-two".