1165602240 has 168 divisors, whose sum is σ = 4373776368. Its totient is φ = 282562560.

The previous prime is 1165602239. The next prime is 1165602287. The reversal of 1165602240 is 422065611.

1165602240 is a `hidden beast` number, since 1 + 1 + 656 + 0 + 2 + 2 + 4 + 0 = 666.

1165602240 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13284 + ... + 50076.

Almost surely, 2^1165602240 is an apocalyptic number.

1165602240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1165602240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2186888184).

1165602240 is an abundant number, since it is smaller than the sum of its proper divisors (3208174128).

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

1165602240 is a wasteful number, since it uses less digits than its factorization.

1165602240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36827 (or 36814 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1165602240 is about 34140.9173866198. The cubic root of 1165602240 is about 1052.4063449745.

Adding to 1165602240 its reverse (422065611), we get a palindrome (1587667851).

The spelling of 1165602240 in words is "one billion, one hundred sixty-five million, six hundred two thousand, two hundred forty".