1168111344 has 80 divisors (see below), whose sum is σ = 3207866112. Its totient is φ = 365005824.

The previous prime is 1168111337. The next prime is 1168111369. The reversal of 1168111344 is 4431118611.

It is a super-2 number, since 2×1168111344² = 2728968223962972672, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211887 + ... + 217329.

Almost surely, 2^1168111344 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 1168111344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1603933056).

1168111344 is an abundant number, since it is smaller than the sum of its proper divisors (2039754768).

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

1168111344 is a wasteful number, since it uses less digits than its factorization.

1168111344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5734 (or 5728 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 1168111344 is about 34177.6439211365. The cubic root of 1168111344 is about 1053.1609490192.

Adding to 1168111344 its reverse (4431118611), we get a palindrome (5599229955).

The spelling of 1168111344 in words is "one billion, one hundred sixty-eight million, one hundred eleven thousand, three hundred forty-four".