16716672 has 128 divisors (see below), whose sum is σ = 56467200. Its totient is φ = 4769280.

The previous prime is 16716671. The next prime is 16716683. The reversal of 16716672 is 27661761.

16716672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16716671) 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, 23847 + ... + 24537.

It is an arithmetic number, because the mean of its divisors is an integer number (441150).

Almost surely, 2^16716672 is an apocalyptic number.

16716672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16716672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28233600).

16716672 is an abundant number, since it is smaller than the sum of its proper divisors (39750528).

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

16716672 is an equidigital number, since it uses as much as digits as its factorization.

16716672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 703 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 16716672 is about 4088.6026952982. The cubic root of 16716672 is about 255.6916861226.

The spelling of 16716672 in words is "sixteen million, seven hundred sixteen thousand, six hundred seventy-two".