16940544 has 80 divisors (see below), whose sum is σ = 46403280. Its totient is φ = 5488640.

The previous prime is 16940543. The next prime is 16940563. The reversal of 16940544 is 44504961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16940543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62842 + ... + 63110.

It is an arithmetic number, because the mean of its divisors is an integer number (580041).

Almost surely, 2^16940544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16940544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23201640).

16940544 is an abundant number, since it is smaller than the sum of its proper divisors (29462736).

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

16940544 is an equidigital number, since it uses as much as digits as its factorization.

16940544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 16940544 is about 4115.8892113370. The cubic root of 16940544 is about 256.8280479065.

The spelling of 16940544 in words is "sixteen million, nine hundred forty thousand, five hundred forty-four".