16072817 has 2 divisors, whose sum is σ = 16072818. Its totient is φ = 16072816.

The previous prime is 16072811. The next prime is 16072877. The reversal of 16072817 is 71827061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9265936 + 6806881 = 3044^2 + 2609^2 .

It is an emirp because it is prime and its reverse (71827061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16072817 - 2⁴ = 16072801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16072811) 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 as a sum of consecutive naturals, namely, 8036408 + 8036409.

It is an arithmetic number, because the mean of its divisors is an integer number (8036409).

Almost surely, 2^16072817 is an apocalyptic number.

It is an amenable number.

16072817 is a deficient number, since it is larger than the sum of its proper divisors (1).

16072817 is an equidigital number, since it uses as much as digits as its factorization.

16072817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 16072817 is about 4009.0917924138. The cubic root of 16072817 is about 252.3658968325.

Adding to 16072817 its reverse (71827061), we get a palindrome (87899878).

The spelling of 16072817 in words is "sixteen million, seventy-two thousand, eight hundred seventeen".