13666811048 has 32 divisors (see below), whose sum is σ = 29170272960. Its totient is φ = 5942090880.

The previous prime is 13666811009. The next prime is 13666811051. The reversal of 13666811048 is 84011866631.

It is a Harshad number since it is a multiple of its sum of digits (44).

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 7 ways as a sum of consecutive naturals, for example, 3374165 + ... + 3378212.

It is an arithmetic number, because the mean of its divisors is an integer number (911571030).

Almost surely, 2^13666811048 is an apocalyptic number.

It is an amenable number.

13666811048 is an abundant number, since it is smaller than the sum of its proper divisors (15503461912).

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

13666811048 is a wasteful number, since it uses less digits than its factorization.

13666811048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6752417 (or 6752413 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 13666811048 in words is "thirteen billion, six hundred sixty-six million, eight hundred eleven thousand, forty-eight".