11866636182 has 32 divisors (see below), whose sum is σ = 23840686080. Its totient is φ = 3937671360.

The previous prime is 11866636139. The next prime is 11866636183. The reversal of 11866636182 is 28163666811.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11866636183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2153643 + ... + 2159145.

It is an arithmetic number, because the mean of its divisors is an integer number (745021440).

Almost surely, 2^11866636182 is an apocalyptic number.

11866636182 is an abundant number, since it is smaller than the sum of its proper divisors (11974049898).

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

11866636182 is a wasteful number, since it uses less digits than its factorization.

11866636182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7068.

The product of its digits is 497664, while the sum is 48.

The spelling of 11866636182 in words is "eleven billion, eight hundred sixty-six million, six hundred thirty-six thousand, one hundred eighty-two".