16725684 has 12 divisors (see below), whose sum is σ = 39026624. Its totient is φ = 5575224.

The previous prime is 16725661. The next prime is 16725689. The reversal of 16725684 is 48652761.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16725689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696892 + ... + 696915.

Almost surely, 2^16725684 is an apocalyptic number.

It is an amenable number.

16725684 is an abundant number, since it is smaller than the sum of its proper divisors (22300940).

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

16725684 is a wasteful number, since it uses less digits than its factorization.

16725684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393814 (or 1393812 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 16725684 is about 4089.7046348117. The cubic root of 16725684 is about 255.7376258789.

The spelling of 16725684 in words is "sixteen million, seven hundred twenty-five thousand, six hundred eighty-four".