1167830491 has 2 divisors, whose sum is σ = 1167830492. Its totient is φ = 1167830490.

The previous prime is 1167830449. The next prime is 1167830509. The reversal of 1167830491 is 1940387611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1167830491 - 2¹⁷ = 1167699419 is a prime.

It is not a weakly prime, because it can be changed into another prime (1167830441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583915245 + 583915246.

It is an arithmetic number, because the mean of its divisors is an integer number (583915246).

Almost surely, 2^1167830491 is an apocalyptic number.

1167830491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167830491 is an equidigital number, since it uses as much as digits as its factorization.

1167830491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1167830491 is about 34173.5349503091. The cubic root of 1167830491 is about 1053.0765372258.

The spelling of 1167830491 in words is "one billion, one hundred sixty-seven million, eight hundred thirty thousand, four hundred ninety-one".