1164430633 has 4 divisors (see below), whose sum is σ = 1164563028. Its totient is φ = 1164298240.

The previous prime is 1164430613. The next prime is 1164430639. The reversal of 1164430633 is 3360344611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3360344611 = 13 ⋅258488047.

It can be written as a sum of positive squares in 2 ways, for example, as 648822784 + 515607849 = 25472^2 + 22707^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164430633 - 2⁹ = 1164430121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1164430595 and 1164430604.

It is not an unprimeable number, because it can be changed into a prime (1164430639) 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, 51988 + ... + 70933.

It is an arithmetic number, because the mean of its divisors is an integer number (291140757).

Almost surely, 2^1164430633 is an apocalyptic number.

It is an amenable number.

1164430633 is a deficient number, since it is larger than the sum of its proper divisors (132395).

1164430633 is an equidigital number, since it uses as much as digits as its factorization.

1164430633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132394.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 1164430633 is about 34123.7546732478. The cubic root of 1164430633 is about 1052.0536174463.

The spelling of 1164430633 in words is "one billion, one hundred sixty-four million, four hundred thirty thousand, six hundred thirty-three".