1163315616 has 48 divisors (see below), whose sum is σ = 3056385024. Its totient is φ = 387431424.

The previous prime is 1163315611. The next prime is 1163315623. The reversal of 1163315616 is 6165133611.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1163315611) 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 7 ways as a sum of consecutive naturals, for example, 119841 + ... + 129183.

It is an arithmetic number, because the mean of its divisors is an integer number (63674688).

Almost surely, 2^1163315616 is an apocalyptic number.

1163315616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1163315616 is an abundant number, since it is smaller than the sum of its proper divisors (1893069408).

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

1163315616 is a wasteful number, since it uses less digits than its factorization.

1163315616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10653 (or 10645 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 1163315616 is about 34107.4129186017. The cubic root of 1163315616 is about 1051.7177072711.

The spelling of 1163315616 in words is "one billion, one hundred sixty-three million, three hundred fifteen thousand, six hundred sixteen".