16683672 has 32 divisors (see below), whose sum is σ = 43905600. Its totient is φ = 5268384.

The previous prime is 16683661. The next prime is 16683677. The reversal of 16683672 is 27638661.

It is a super-2 number, since 2×16683672² = 556689822807168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16683672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16683677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17838 + ... + 18749.

It is an arithmetic number, because the mean of its divisors is an integer number (1372050).

Almost surely, 2^16683672 is an apocalyptic number.

16683672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16683672 is an abundant number, since it is smaller than the sum of its proper divisors (27221928).

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

16683672 is a wasteful number, since it uses less digits than its factorization.

16683672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36615 (or 36611 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 16683672 is about 4084.5650931280. The cubic root of 16683672 is about 255.5233235832.

It can be divided in two parts, 166 and 83672, that added together give a palindrome (83838).

The spelling of 16683672 in words is "sixteen million, six hundred eighty-three thousand, six hundred seventy-two".