1168989328 has 40 divisors (see below), whose sum is σ = 2448968256. Its totient is φ = 537360000.

The previous prime is 1168989313. The next prime is 1168989331. The reversal of 1168989328 is 8239898611.

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, 41013 + ... + 63403.

Almost surely, 2^1168989328 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 1168989328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1224484128).

1168989328 is an abundant number, since it is smaller than the sum of its proper divisors (1279978928).

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

1168989328 is a wasteful number, since it uses less digits than its factorization.

1168989328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22663 (or 22657 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 55.

The square root of 1168989328 is about 34190.4859281058. The cubic root of 1168989328 is about 1053.4247443324.

The spelling of 1168989328 in words is "one billion, one hundred sixty-eight million, nine hundred eighty-nine thousand, three hundred twenty-eight".