1163010091 has 2 divisors, whose sum is σ = 1163010092. Its totient is φ = 1163010090.

The previous prime is 1163010041. The next prime is 1163010119. The reversal of 1163010091 is 1900103611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1163010091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1163010041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581505045 + 581505046.

It is an arithmetic number, because the mean of its divisors is an integer number (581505046).

Almost surely, 2^1163010091 is an apocalyptic number.

1163010091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163010091 is an equidigital number, since it uses as much as digits as its factorization.

1163010091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 1163010091 is about 34102.9337594290. The cubic root of 1163010091 is about 1051.6256273052.

The spelling of 1163010091 in words is "one billion, one hundred sixty-three million, ten thousand, ninety-one".