16113191 has 2 divisors, whose sum is σ = 16113192. Its totient is φ = 16113190.

The previous prime is 16113187. The next prime is 16113203. The reversal of 16113191 is 19131161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16113191 - 2² = 16113187 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16113101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8056595 + 8056596.

It is an arithmetic number, because the mean of its divisors is an integer number (8056596).

Almost surely, 2^16113191 is an apocalyptic number.

16113191 is a deficient number, since it is larger than the sum of its proper divisors (1).

16113191 is an equidigital number, since it uses as much as digits as its factorization.

16113191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162, while the sum is 23.

The square root of 16113191 is about 4014.1239392924. The cubic root of 16113191 is about 252.5770297284.

The spelling of 16113191 in words is "sixteen million, one hundred thirteen thousand, one hundred ninety-one".