36663181836156 has 144 divisors (see below), whose sum is σ = 100240474973184. Its totient is φ = 11255683565568.

The previous prime is 36663181836131. The next prime is 36663181836157. The reversal of 36663181836156 is 65163818136663.

It is a junction number, because it is equal to n+sod(n) for n = 36663181836093 and 36663181836102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36663181836157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10947370 + ... + 13898606.

It is an arithmetic number, because the mean of its divisors is an integer number (696114409536).

Almost surely, 2^{36663181836156} is an apocalyptic number.

36663181836156 is a gapful number since it is divisible by the number (36) 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 36663181836156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50120237486592).

36663181836156 is an abundant number, since it is smaller than the sum of its proper divisors (63577293137028).

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

36663181836156 is a wasteful number, since it uses less digits than its factorization.

36663181836156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951700 (or 2951695 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 63.

The spelling of 36663181836156 in words is "thirty-six trillion, six hundred sixty-three billion, one hundred eighty-one million, eight hundred thirty-six thousand, one hundred fifty-six".