1164258899 has 4 divisors (see below), whose sum is σ = 1167502320. Its totient is φ = 1161015480.

The previous prime is 1164258883. The next prime is 1164258941. The reversal of 1164258899 is 9988524611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9988524611 = 13 ⋅768348047.

It is a cyclic number.

It is not a de Polignac number, because 1164258899 - 2⁴ = 1164258883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1164258899.

It is not an unprimeable number, because it can be changed into a prime (1164258829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1621172 + ... + 1621889.

It is an arithmetic number, because the mean of its divisors is an integer number (291875580).

Almost surely, 2^1164258899 is an apocalyptic number.

1164258899 is a deficient number, since it is larger than the sum of its proper divisors (3243421).

1164258899 is an equidigital number, since it uses as much as digits as its factorization.

1164258899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243420.

The product of its digits is 1244160, while the sum is 53.

The square root of 1164258899 is about 34121.2382395481. The cubic root of 1164258899 is about 1052.0018948122.

The spelling of 1164258899 in words is "one billion, one hundred sixty-four million, two hundred fifty-eight thousand, eight hundred ninety-nine".