1164853189 has 4 divisors (see below), whose sum is σ = 1180810156. Its totient is φ = 1148896224.

The previous prime is 1164853171. The next prime is 1164853201. The reversal of 1164853189 is 9813584611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9813584611 = 17 ⋅577269683.

It can be written as a sum of positive squares in 2 ways, for example, as 489736900 + 675116289 = 22130^2 + 25983^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164853189 - 2¹³ = 1164844997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164853139) 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, 7978374 + ... + 7978519.

It is an arithmetic number, because the mean of its divisors is an integer number (295202539).

Almost surely, 2^1164853189 is an apocalyptic number.

It is an amenable number.

1164853189 is a deficient number, since it is larger than the sum of its proper divisors (15956967).

1164853189 is an equidigital number, since it uses as much as digits as its factorization.

1164853189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15956966.

The product of its digits is 207360, while the sum is 46.

The square root of 1164853189 is about 34129.9456342960. The cubic root of 1164853189 is about 1052.1808606937.

The spelling of 1164853189 in words is "one billion, one hundred sixty-four million, eight hundred fifty-three thousand, one hundred eighty-nine".