16297091 has 2 divisors, whose sum is σ = 16297092. Its totient is φ = 16297090.

The previous prime is 16297081. The next prime is 16297093. The reversal of 16297091 is 19079261.

16297091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16297091 - 2⁶ = 16297027 is a prime.

Together with 16297093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16297093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8148545 + 8148546.

It is an arithmetic number, because the mean of its divisors is an integer number (8148546).

Almost surely, 2^16297091 is an apocalyptic number.

16297091 is a deficient number, since it is larger than the sum of its proper divisors (1).

16297091 is an equidigital number, since it uses as much as digits as its factorization.

16297091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 16297091 is about 4036.9655683446. The cubic root of 16297091 is about 253.5342851934.

The spelling of 16297091 in words is "sixteen million, two hundred ninety-seven thousand, ninety-one".