16716017 has 4 divisors (see below), whose sum is σ = 16779840. Its totient is φ = 16652196.

The previous prime is 16715989. The next prime is 16716019. The reversal of 16716017 is 71061761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71061761 = 4001 ⋅17761.

It is a cyclic number.

It is not a de Polignac number, because 16716017 - 2¹⁰ = 16714993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16716019) 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, 31517 + ... + 32042.

It is an arithmetic number, because the mean of its divisors is an integer number (4194960).

Almost surely, 2^16716017 is an apocalyptic number.

It is an amenable number.

16716017 is a deficient number, since it is larger than the sum of its proper divisors (63823).

16716017 is an equidigital number, since it uses as much as digits as its factorization.

16716017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63822.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 16716017 is about 4088.5225937984. The cubic root of 16716017 is about 255.6883465376.

Adding to 16716017 its reverse (71061761), we get a palindrome (87777778).

The spelling of 16716017 in words is "sixteen million, seven hundred sixteen thousand, seventeen".