1163288530 has 16 divisors (see below), whose sum is σ = 2094332184. Its totient is φ = 465223680.

The previous prime is 1163288521. The next prime is 1163288561. The reversal of 1163288530 is 358823611.

It can be written as a sum of positive squares in 4 ways, for example, as 1160833041 + 2455489 = 34071^2 + 1567^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1163288530.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 68050 + ... + 83410.

Almost surely, 2^1163288530 is an apocalyptic number.

1163288530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1163288530 is a deficient number, since it is larger than the sum of its proper divisors (931043654).

1163288530 is a wasteful number, since it uses less digits than its factorization.

1163288530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22941.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1163288530 is about 34107.0158471831. The cubic root of 1163288530 is about 1051.7095446692.

The spelling of 1163288530 in words is "one billion, one hundred sixty-three million, two hundred eighty-eight thousand, five hundred thirty".