1168138572288 has 160 divisors (see below), whose sum is σ = 3344237544384. Its totient is φ = 361004531712.

The previous prime is 1168138572241. The next prime is 1168138572311. The reversal of 1168138572288 is 8822758318611.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415656 + ... + 2083352.

Almost surely, 2^{1168138572288} 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 1168138572288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1672118772192).

1168138572288 is an abundant number, since it is smaller than the sum of its proper divisors (2176098972096).

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

1168138572288 is an equidigital number, since it uses as much as digits as its factorization.

1168138572288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667802 (or 667786 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 60.

The spelling of 1168138572288 in words is "one trillion, one hundred sixty-eight billion, one hundred thirty-eight million, five hundred seventy-two thousand, two hundred eighty-eight".