16108217 has 2 divisors, whose sum is σ = 16108218. Its totient is φ = 16108216.

The previous prime is 16108201. The next prime is 16108223. The reversal of 16108217 is 71280161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11316496 + 4791721 = 3364^2 + 2189^2 .

It is a cyclic number.

It is not a de Polignac number, because 16108217 - 2⁴ = 16108201 is a prime.

It is not a weakly prime, because it can be changed into another prime (16108277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8054108 + 8054109.

It is an arithmetic number, because the mean of its divisors is an integer number (8054109).

Almost surely, 2^16108217 is an apocalyptic number.

It is an amenable number.

16108217 is a deficient number, since it is larger than the sum of its proper divisors (1).

16108217 is an equidigital number, since it uses as much as digits as its factorization.

16108217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 16108217 is about 4013.5043291368. The cubic root of 16108217 is about 252.5510376196.

Adding to 16108217 its reverse (71280161), we get a palindrome (87388378).

The spelling of 16108217 in words is "sixteen million, one hundred eight thousand, two hundred seventeen".