16418117 has 2 divisors, whose sum is σ = 16418118. Its totient is φ = 16418116.

The previous prime is 16418093. The next prime is 16418137. The reversal of 16418117 is 71181461.

16418117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16394401 + 23716 = 4049^2 + 154^2 .

It is a cyclic number.

It is not a de Polignac number, because 16418117 - 2⁸ = 16417861 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 16418117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16418137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8209058 + 8209059.

It is an arithmetic number, because the mean of its divisors is an integer number (8209059).

Almost surely, 2^16418117 is an apocalyptic number.

It is an amenable number.

16418117 is a deficient number, since it is larger than the sum of its proper divisors (1).

16418117 is an equidigital number, since it uses as much as digits as its factorization.

16418117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 29.

The square root of 16418117 is about 4051.9275659863. The cubic root of 16418117 is about 254.1603395839.

Adding to 16418117 its reverse (71181461), we get a palindrome (87599578).

It can be divided in two parts, 164 and 18117, that added together give a palindrome (18281).

The spelling of 16418117 in words is "sixteen million, four hundred eighteen thousand, one hundred seventeen".