1169162089 has 2 divisors, whose sum is σ = 1169162090. Its totient is φ = 1169162088.

The previous prime is 1169162077. The next prime is 1169162123. The reversal of 1169162089 is 9802619611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 960504064 + 208658025 = 30992^2 + 14445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1169162089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1169162009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584581044 + 584581045.

It is an arithmetic number, because the mean of its divisors is an integer number (584581045).

Almost surely, 2^1169162089 is an apocalyptic number.

It is an amenable number.

1169162089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1169162089 is an equidigital number, since it uses as much as digits as its factorization.

1169162089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 1169162089 is about 34193.0122832137. The cubic root of 1169162089 is about 1053.4766358092.

The spelling of 1169162089 in words is "one billion, one hundred sixty-nine million, one hundred sixty-two thousand, eighty-nine".