16730117 has 2 divisors, whose sum is σ = 16730118. Its totient is φ = 16730116.

The previous prime is 16730093. The next prime is 16730123. The reversal of 16730117 is 71103761.

16730117 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., 14753281 + 1976836 = 3841^2 + 1406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16730117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16730137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8365058 + 8365059.

It is an arithmetic number, because the mean of its divisors is an integer number (8365059).

Almost surely, 2^16730117 is an apocalyptic number.

It is an amenable number.

16730117 is a deficient number, since it is larger than the sum of its proper divisors (1).

16730117 is an equidigital number, since it uses as much as digits as its factorization.

16730117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 16730117 is about 4090.2465695848. The cubic root of 16730117 is about 255.7602175759.

Adding to 16730117 its reverse (71103761), we get a palindrome (87833878).

The spelling of 16730117 in words is "sixteen million, seven hundred thirty thousand, one hundred seventeen".