16196231 has 2 divisors, whose sum is σ = 16196232. Its totient is φ = 16196230.

The previous prime is 16196207. The next prime is 16196233. The reversal of 16196231 is 13269161.

It is a strong prime.

It is an emirp because it is prime and its reverse (13269161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16196231 is a prime.

It is a super-2 number, since 2×16196231² = 524635797210722, which contains 22 as substring.

Together with 16196233, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1042895 and since 16196231 and 1042895 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 16196194 and 16196203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16196233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8098115 + 8098116.

It is an arithmetic number, because the mean of its divisors is an integer number (8098116).

Almost surely, 2^16196231 is an apocalyptic number.

16196231 is a deficient number, since it is larger than the sum of its proper divisors (1).

16196231 is an equidigital number, since it uses as much as digits as its factorization.

16196231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 29.

The square root of 16196231 is about 4024.4541244745. The cubic root of 16196231 is about 253.0101752431.

The spelling of 16196231 in words is "sixteen million, one hundred ninety-six thousand, two hundred thirty-one".