1165445562 has 32 divisors (see below), whose sum is σ = 2413918080. Its totient is φ = 374673600.

The previous prime is 1165445539. The next prime is 1165445563. The reversal of 1165445562 is 2655445611.

It is a self number, because there is not a number n which added to its sum of digits gives 1165445562.

It is not an unprimeable number, because it can be changed into a prime (1165445563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181812 + ... + 188112.

It is an arithmetic number, because the mean of its divisors is an integer number (75434940).

Almost surely, 2^1165445562 is an apocalyptic number.

1165445562 is an abundant number, since it is smaller than the sum of its proper divisors (1248472518).

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

1165445562 is a wasteful number, since it uses less digits than its factorization.

1165445562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7398.

The product of its digits is 144000, while the sum is 39.

The square root of 1165445562 is about 34138.6227314460. The cubic root of 1165445562 is about 1052.3591887194.

The spelling of 1165445562 in words is "one billion, one hundred sixty-five million, four hundred forty-five thousand, five hundred sixty-two".