16765117 has 2 divisors, whose sum is σ = 16765118. Its totient is φ = 16765116.

The previous prime is 16765109. The next prime is 16765121. The reversal of 16765117 is 71156761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9114361 + 7650756 = 3019^2 + 2766^2 .

It is a cyclic number.

It is not a de Polignac number, because 16765117 - 2³ = 16765109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16765157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8382558 + 8382559.

It is an arithmetic number, because the mean of its divisors is an integer number (8382559).

Almost surely, 2^16765117 is an apocalyptic number.

It is an amenable number.

16765117 is a deficient number, since it is larger than the sum of its proper divisors (1).

16765117 is an equidigital number, since it uses as much as digits as its factorization.

16765117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 34.

The square root of 16765117 is about 4094.5228049188. The cubic root of 16765117 is about 255.9384465048.

The spelling of 16765117 in words is "sixteen million, seven hundred sixty-five thousand, one hundred seventeen".