16231199 has 2 divisors, whose sum is σ = 16231200. Its totient is φ = 16231198.

The previous prime is 16231139. The next prime is 16231211. The reversal of 16231199 is 99113261.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16231199 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16231139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8115599 + 8115600.

It is an arithmetic number, because the mean of its divisors is an integer number (8115600).

Almost surely, 2^16231199 is an apocalyptic number.

16231199 is a deficient number, since it is larger than the sum of its proper divisors (1).

16231199 is an equidigital number, since it uses as much as digits as its factorization.

16231199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 32.

The square root of 16231199 is about 4028.7962221984. The cubic root of 16231199 is about 253.1921291042.

The spelling of 16231199 in words is "sixteen million, two hundred thirty-one thousand, one hundred ninety-nine".