1165116659 has 6 divisors (see below), whose sum is σ = 1355339844. Its totient is φ = 998671380.

The previous prime is 1165116619. The next prime is 1165116661. The reversal of 1165116659 is 9566115611.

It is a de Polignac number, because none of the positive numbers 2^k-1165116659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1165116619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11888897 + ... + 11888994.

It is an arithmetic number, because the mean of its divisors is an integer number (225889974).

Almost surely, 2^1165116659 is an apocalyptic number.

1165116659 is a deficient number, since it is larger than the sum of its proper divisors (190223185).

1165116659 is an equidigital number, since it uses as much as digits as its factorization.

1165116659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23777905 (or 23777898 counting only the distinct ones).

The product of its digits is 48600, while the sum is 41.

The square root of 1165116659 is about 34133.8052229751. The cubic root of 1165116659 is about 1052.2601831914.

The spelling of 1165116659 in words is "one billion, one hundred sixty-five million, one hundred sixteen thousand, six hundred fifty-nine".