16725856 has 36 divisors (see below), whose sum is σ = 38308788. Its totient is φ = 7167552.

The previous prime is 16725847. The next prime is 16725857. The reversal of 16725856 is 65852761.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16725857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3766 + ... + 6901.

It is an arithmetic number, because the mean of its divisors is an integer number (1064133).

Almost surely, 2^16725856 is an apocalyptic number.

16725856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16725856 is an abundant number, since it is smaller than the sum of its proper divisors (21582932).

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

16725856 is a wasteful number, since it uses less digits than its factorization.

16725856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10691 (or 10676 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 16725856 is about 4089.7256631711. The cubic root of 16725856 is about 255.7385025092.

The spelling of 16725856 in words is "sixteen million, seven hundred twenty-five thousand, eight hundred fifty-six".