16316417 has 4 divisors (see below), whose sum is σ = 17571540. Its totient is φ = 15061296.

The previous prime is 16316411. The next prime is 16316429. The reversal of 16316417 is 71461361.

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 6885376 + 9431041 = 2624^2 + 3071^2 .

It is a cyclic number.

It is not a de Polignac number, because 16316417 - 2⁶ = 16316353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16316417.

It is not an unprimeable number, because it can be changed into a prime (16316411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627542 + ... + 627567.

It is an arithmetic number, because the mean of its divisors is an integer number (4392885).

Almost surely, 2^16316417 is an apocalyptic number.

It is an amenable number.

16316417 is a deficient number, since it is larger than the sum of its proper divisors (1255123).

16316417 is a wasteful number, since it uses less digits than its factorization.

16316417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255122.

The product of its digits is 3024, while the sum is 29.

The square root of 16316417 is about 4039.3584886712. The cubic root of 16316417 is about 253.6344639728.

Adding to 16316417 its reverse (71461361), we get a palindrome (87777778).

The spelling of 16316417 in words is "sixteen million, three hundred sixteen thousand, four hundred seventeen".