16056317 has 2 divisors, whose sum is σ = 16056318. Its totient is φ = 16056316.

The previous prime is 16056301. The next prime is 16056331. The reversal of 16056317 is 71365061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16048036 + 8281 = 4006^2 + 91^2 .

It is a cyclic number.

It is not a de Polignac number, because 16056317 - 2⁴ = 16056301 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16056317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16056017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8028158 + 8028159.

It is an arithmetic number, because the mean of its divisors is an integer number (8028159).

Almost surely, 2^16056317 is an apocalyptic number.

It is an amenable number.

16056317 is a deficient number, since it is larger than the sum of its proper divisors (1).

16056317 is an equidigital number, since it uses as much as digits as its factorization.

16056317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 16056317 is about 4007.0334413379. The cubic root of 16056317 is about 252.2795095072.

The spelling of 16056317 in words is "sixteen million, fifty-six thousand, three hundred seventeen".