16345717 has 2 divisors, whose sum is σ = 16345718. Its totient is φ = 16345716.

The previous prime is 16345699. The next prime is 16345727. The reversal of 16345717 is 71754361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10150596 + 6195121 = 3186^2 + 2489^2 .

It is a cyclic number.

It is not a de Polignac number, because 16345717 - 2¹⁵ = 16312949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16345727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8172858 + 8172859.

It is an arithmetic number, because the mean of its divisors is an integer number (8172859).

Almost surely, 2^16345717 is an apocalyptic number.

It is an amenable number.

16345717 is a deficient number, since it is larger than the sum of its proper divisors (1).

16345717 is an equidigital number, since it uses as much as digits as its factorization.

16345717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 34.

The square root of 16345717 is about 4042.9836754555. The cubic root of 16345717 is about 253.7861934832.

The spelling of 16345717 in words is "sixteen million, three hundred forty-five thousand, seven hundred seventeen".