11662213333 has 8 divisors (see below), whose sum is σ = 12581212248. Its totient is φ = 10769101824.

The previous prime is 11662213327. The next prime is 11662213369. The reversal of 11662213333 is 33331226611.

It can be written as a sum of positive squares in 4 ways, for example, as 1324814404 + 10337398929 = 36398^2 + 101673^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11662213333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11662213295 and 11662213304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11662213933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6470916 + ... + 6472717.

It is an arithmetic number, because the mean of its divisors is an integer number (1572651531).

Almost surely, 2^11662213333 is an apocalyptic number.

It is an amenable number.

11662213333 is a deficient number, since it is larger than the sum of its proper divisors (918998915).

11662213333 is a wasteful number, since it uses less digits than its factorization.

11662213333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12943703.

The product of its digits is 11664, while the sum is 31.

Adding to 11662213333 its reverse (33331226611), we get a palindrome (44993439944).

The spelling of 11662213333 in words is "eleven billion, six hundred sixty-two million, two hundred thirteen thousand, three hundred thirty-three".