1068204191 has 2 divisors, whose sum is σ = 1068204192. Its totient is φ = 1068204190.

The previous prime is 1068204167. The next prime is 1068204199. The reversal of 1068204191 is 1914028601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1068204191 - 2²² = 1064009887 is a prime.

It is a super-2 number, since 2×1068204191² = 2282120387339928962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1068204199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534102095 + 534102096.

It is an arithmetic number, because the mean of its divisors is an integer number (534102096).

Almost surely, 2^1068204191 is an apocalyptic number.

1068204191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068204191 is an equidigital number, since it uses as much as digits as its factorization.

1068204191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 1068204191 is about 32683.3931989933. The cubic root of 1068204191 is about 1022.2365989187.

The spelling of 1068204191 in words is "one billion, sixty-eight million, two hundred four thousand, one hundred ninety-one".