1165579480 has 48 divisors (see below), whose sum is σ = 2839823280. Its totient is φ = 430365312.

The previous prime is 1165579477. The next prime is 1165579489. The reversal of 1165579480 is 849755611.

It is a self number, because there is not a number n which added to its sum of digits gives 1165579480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165579489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79452 + ... + 92971.

It is an arithmetic number, because the mean of its divisors is an integer number (59162985).

Almost surely, 2^1165579480 is an apocalyptic number.

1165579480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1165579480 is an abundant number, since it is smaller than the sum of its proper divisors (1674243800).

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

1165579480 is a wasteful number, since it uses less digits than its factorization.

1165579480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172460 (or 172443 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 1165579480 is about 34140.5840606162. The cubic root of 1165579480 is about 1052.3994950322.

The spelling of 1165579480 in words is "one billion, one hundred sixty-five million, five hundred seventy-nine thousand, four hundred eighty".