11662641353206 has 4 divisors (see below), whose sum is σ = 17493962029812. Its totient is φ = 5831320676602.

The previous prime is 11662641353201. The next prime is 11662641353213. The reversal of 11662641353206 is 60235314626611.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11662641353201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2915660338300 + ... + 2915660338303.

It is an arithmetic number, because the mean of its divisors is an integer number (4373490507453).

Almost surely, 2^{11662641353206} is an apocalyptic number.

11662641353206 is a deficient number, since it is larger than the sum of its proper divisors (5831320676606).

11662641353206 is an equidigital number, since it uses as much as digits as its factorization.

11662641353206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5831320676605.

The product of its (nonzero) digits is 933120, while the sum is 46.

Adding to 11662641353206 its reverse (60235314626611), we get a palindrome (71897955979817).

The spelling of 11662641353206 in words is "eleven trillion, six hundred sixty-two billion, six hundred forty-one million, three hundred fifty-three thousand, two hundred six".