16716241 has 4 divisors (see below), whose sum is σ = 16736692. Its totient is φ = 16695792.

The previous prime is 16716229. The next prime is 16716251. The reversal of 16716241 is 14261761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3240000 + 13476241 = 1800^2 + 3671^2 .

It is a cyclic number.

It is not a de Polignac number, because 16716241 - 2⁷ = 16716113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16716221) 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, 8946 + ... + 10651.

It is an arithmetic number, because the mean of its divisors is an integer number (4184173).

Almost surely, 2^16716241 is an apocalyptic number.

It is an amenable number.

16716241 is a deficient number, since it is larger than the sum of its proper divisors (20451).

16716241 is an equidigital number, since it uses as much as digits as its factorization.

16716241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20450.

The product of its digits is 2016, while the sum is 28.

The square root of 16716241 is about 4088.5499874650. The cubic root of 16716241 is about 255.6894886345.

The spelling of 16716241 in words is "sixteen million, seven hundred sixteen thousand, two hundred forty-one".