13132021203666 has 12 divisors (see below), whose sum is σ = 28452712607982. Its totient is φ = 4377340401216.

The previous prime is 13132021203629. The next prime is 13132021203677. The reversal of 13132021203666 is 66630212023131.

13132021203666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7277968368441 + 5854052835225 = 2697771^2 + 2419515^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13132021203666.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364778366751 + ... + 364778366786.

Almost surely, 2^{13132021203666} is an apocalyptic number.

13132021203666 is an abundant number, since it is smaller than the sum of its proper divisors (15320691404316).

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

13132021203666 is a wasteful number, since it uses less digits than its factorization.

13132021203666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729556733545 (or 729556733542 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

Adding to 13132021203666 its reverse (66630212023131), we get a palindrome (79762233226797).

The spelling of 13132021203666 in words is "thirteen trillion, one hundred thirty-two billion, twenty-one million, two hundred three thousand, six hundred sixty-six".