1165344033 has 64 divisors (see below), whose sum is σ = 2008350720. Its totient is φ = 585446400.

The previous prime is 1165344023. The next prime is 1165344053. The reversal of 1165344033 is 3304435611.

It is not a de Polignac number, because 1165344033 - 2²⁴ = 1148566817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1165344023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 319128 + ... + 322758.

It is an arithmetic number, because the mean of its divisors is an integer number (31380480).

Almost surely, 2^1165344033 is an apocalyptic number.

It is an amenable number.

1165344033 is a deficient number, since it is larger than the sum of its proper divisors (843006687).

1165344033 is a wasteful number, since it uses less digits than its factorization.

1165344033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1165344033 is about 34137.1356882794. The cubic root of 1165344033 is about 1052.3286287109.

Adding to 1165344033 its reverse (3304435611), we get a palindrome (4469779644).

The spelling of 1165344033 in words is "one billion, one hundred sixty-five million, three hundred forty-four thousand, thirty-three".