16191041 has 2 divisors, whose sum is σ = 16191042. Its totient is φ = 16191040.

The previous prime is 16191037. The next prime is 16191061. The reversal of 16191041 is 14019161.

16191041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9431041 + 6760000 = 3071^2 + 2600^2 .

It is a cyclic number.

It is not a de Polignac number, because 16191041 - 2² = 16191037 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16190998 and 16191016.

It is not a weakly prime, because it can be changed into another prime (16191001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8095520 + 8095521.

It is an arithmetic number, because the mean of its divisors is an integer number (8095521).

Almost surely, 2^16191041 is an apocalyptic number.

It is an amenable number.

16191041 is a deficient number, since it is larger than the sum of its proper divisors (1).

16191041 is an equidigital number, since it uses as much as digits as its factorization.

16191041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 16191041 is about 4023.8092648633. The cubic root of 16191041 is about 252.9831470805.

The spelling of 16191041 in words is "sixteen million, one hundred ninety-one thousand, forty-one".