13260553666 has 8 divisors (see below), whose sum is σ = 19895132160. Its totient is φ = 6628842948.

The previous prime is 13260553643. The next prime is 13260553679. The reversal of 13260553666 is 66635506231.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705346 + ... + 723901.

It is an arithmetic number, because the mean of its divisors is an integer number (2486891520).

Almost surely, 2^13260553666 is an apocalyptic number.

13260553666 is a deficient number, since it is larger than the sum of its proper divisors (6634578494).

13260553666 is a wasteful number, since it uses less digits than its factorization.

13260553666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433888.

The product of its (nonzero) digits is 583200, while the sum is 43.

The spelling of 13260553666 in words is "thirteen billion, two hundred sixty million, five hundred fifty-three thousand, six hundred sixty-six".