1165665324 has 24 divisors (see below), whose sum is σ = 2813675760. Its totient is φ = 375156544.

The previous prime is 1165665313. The next prime is 1165665329. The reversal of 1165665324 is 4235665611.

It is not an unprimeable number, because it can be changed into a prime (1165665329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1674459 + ... + 1675154.

It is an arithmetic number, because the mean of its divisors is an integer number (117236490).

Almost surely, 2^1165665324 is an apocalyptic number.

It is an amenable number.

1165665324 is an abundant number, since it is smaller than the sum of its proper divisors (1648010436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1165665324 is a wasteful number, since it uses less digits than its factorization.

1165665324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349649 (or 3349647 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 1165665324 is about 34141.8412508757. The cubic root of 1165665324 is about 1052.4253305261.

The spelling of 1165665324 in words is "one billion, one hundred sixty-five million, six hundred sixty-five thousand, three hundred twenty-four".