16116091 has 2 divisors, whose sum is σ = 16116092. Its totient is φ = 16116090.

The previous prime is 16116073. The next prime is 16116097. The reversal of 16116091 is 19061161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16116091 - 2¹³ = 16107899 is a prime.

It is not a weakly prime, because it can be changed into another prime (16116097) 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, 8058045 + 8058046.

It is an arithmetic number, because the mean of its divisors is an integer number (8058046).

Almost surely, 2^16116091 is an apocalyptic number.

16116091 is a deficient number, since it is larger than the sum of its proper divisors (1).

16116091 is an equidigital number, since it uses as much as digits as its factorization.

16116091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 16116091 is about 4014.4851475625. The cubic root of 16116091 is about 252.5921814850.

The spelling of 16116091 in words is "sixteen million, one hundred sixteen thousand, ninety-one".