16006315517 has 2 divisors, whose sum is σ = 16006315518. Its totient is φ = 16006315516.

The previous prime is 16006315433. The next prime is 16006315547. The reversal of 16006315517 is 71551360061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10285813561 + 5720501956 = 101419^2 + 75634^2 .

It is a cyclic number.

It is not a de Polignac number, because 16006315517 - 2²⁰ = 16005266941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16006315547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8003157758 + 8003157759.

It is an arithmetic number, because the mean of its divisors is an integer number (8003157759).

Almost surely, 2^16006315517 is an apocalyptic number.

It is an amenable number.

16006315517 is a deficient number, since it is larger than the sum of its proper divisors (1).

16006315517 is an equidigital number, since it uses as much as digits as its factorization.

16006315517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 35.

Adding to 16006315517 its reverse (71551360061), we get a palindrome (87557675578).

The spelling of 16006315517 in words is "sixteen billion, six million, three hundred fifteen thousand, five hundred seventeen".