1163913088 has 64 divisors (see below), whose sum is σ = 2523190320. Its totient is φ = 531578880.

The previous prime is 1163913071. The next prime is 1163913097. The reversal of 1163913088 is 8803193611.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 1163913088.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157803 + ... + 165013.

Almost surely, 2^1163913088 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 1163913088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1261595160).

1163913088 is an abundant number, since it is smaller than the sum of its proper divisors (1359277232).

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

1163913088 is an equidigital number, since it uses as much as digits as its factorization.

1163913088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7335 (or 7323 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 1163913088 is about 34116.1704767695. The cubic root of 1163913088 is about 1051.8977284474.

The spelling of 1163913088 in words is "one billion, one hundred sixty-three million, nine hundred thirteen thousand, eighty-eight".