13666744748 has 12 divisors (see below), whose sum is σ = 24022165272. Its totient is φ = 6803268960.

The previous prime is 13666744699. The next prime is 13666744753. The reversal of 13666744748 is 84744766631.

It is a junction number, because it is equal to n+sod(n) for n = 13666744693 and 13666744702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7524833 + ... + 7526648.

It is an arithmetic number, because the mean of its divisors is an integer number (2001847106).

Almost surely, 2^13666744748 is an apocalyptic number.

It is an amenable number.

13666744748 is a deficient number, since it is larger than the sum of its proper divisors (10355420524).

13666744748 is a wasteful number, since it uses less digits than its factorization.

13666744748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15051712 (or 15051710 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 56.

The spelling of 13666744748 in words is "thirteen billion, six hundred sixty-six million, seven hundred forty-four thousand, seven hundred forty-eight".