1163796993 has 24 divisors (see below), whose sum is σ = 1694530656. Its totient is φ = 769665600.

The previous prime is 1163796973. The next prime is 1163797039. The reversal of 1163796993 is 3996973611.

It is not a de Polignac number, because 1163796993 - 2¹⁸ = 1163534849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1163796973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 675373 + ... + 677093.

It is an arithmetic number, because the mean of its divisors is an integer number (70605444).

Almost surely, 2^1163796993 is an apocalyptic number.

It is an amenable number.

1163796993 is a deficient number, since it is larger than the sum of its proper divisors (530733663).

1163796993 is a wasteful number, since it uses less digits than its factorization.

1163796993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285 (or 2282 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 54.

The square root of 1163796993 is about 34114.4689684597. The cubic root of 1163796993 is about 1051.8627532909.

The spelling of 1163796993 in words is "one billion, one hundred sixty-three million, seven hundred ninety-six thousand, nine hundred ninety-three".