16117271 has 2 divisors, whose sum is σ = 16117272. Its totient is φ = 16117270.

The previous prime is 16117261. The next prime is 16117289. The reversal of 16117271 is 17271161.

It is a weak prime.

It is an emirp because it is prime and its reverse (17271161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16117271 is a prime.

It is a Chen prime.

It is equal to p_1038149 and since 16117271 and 1038149 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16117271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16117261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8058635 + 8058636.

It is an arithmetic number, because the mean of its divisors is an integer number (8058636).

Almost surely, 2^16117271 is an apocalyptic number.

16117271 is a deficient number, since it is larger than the sum of its proper divisors (1).

16117271 is an equidigital number, since it uses as much as digits as its factorization.

16117271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588, while the sum is 26.

The square root of 16117271 is about 4014.6321126599. The cubic root of 16117271 is about 252.5983461623.

The spelling of 16117271 in words is "sixteen million, one hundred seventeen thousand, two hundred seventy-one".