1163812328 has 48 divisors (see below), whose sum is σ = 2648803680. Its totient is φ = 477087072.

The previous prime is 1163812291. The next prime is 1163812343. The reversal of 1163812328 is 8232183611.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 55526 + ... + 73557.

It is an arithmetic number, because the mean of its divisors is an integer number (55183410).

Almost surely, 2^1163812328 is an apocalyptic number.

It is an amenable number.

1163812328 is an abundant number, since it is smaller than the sum of its proper divisors (1484991352).

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

1163812328 is a wasteful number, since it uses less digits than its factorization.

1163812328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129126 (or 129115 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 1163812328 is about 34114.6937257247. The cubic root of 1163812328 is about 1051.8673732961.

Adding to 1163812328 its reverse (8232183611), we get a palindrome (9395995939).

The spelling of 1163812328 in words is "one billion, one hundred sixty-three million, eight hundred twelve thousand, three hundred twenty-eight".