11662213332 has 96 divisors (see below), whose sum is σ = 33957310464. Its totient is φ = 3026390400.

The previous prime is 11662213327. The next prime is 11662213369. The reversal of 11662213332 is 23331226611.

11662213332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11662213332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1132318 + ... + 1142570.

It is an arithmetic number, because the mean of its divisors is an integer number (353721984).

Almost surely, 2^11662213332 is an apocalyptic number.

11662213332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11662213332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16978655232).

11662213332 is an abundant number, since it is smaller than the sum of its proper divisors (22295097132).

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

11662213332 is a wasteful number, since it uses less digits than its factorization.

11662213332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11509 (or 11507 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

Adding to 11662213332 its reverse (23331226611), we get a palindrome (34993439943).

The spelling of 11662213332 in words is "eleven billion, six hundred sixty-two million, two hundred thirteen thousand, three hundred thirty-two".