1163655168 has 192 divisors, whose sum is σ = 3541618080. Its totient is φ = 336592896.

The previous prime is 1163655161. The next prime is 1163655179. The reversal of 1163655168 is 8615563611.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163655161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357396 + ... + 1358252.

Almost surely, 2^1163655168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1163655168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1770809040).

1163655168 is an abundant number, since it is smaller than the sum of its proper divisors (2377962912).

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

1163655168 is a wasteful number, since it uses less digits than its factorization.

1163655168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 892 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 1163655168 is about 34112.3902416703. The cubic root of 1163655168 is about 1051.8200234745.

The spelling of 1163655168 in words is "one billion, one hundred sixty-three million, six hundred fifty-five thousand, one hundred sixty-eight".