13554336616 has 16 divisors (see below), whose sum is σ = 26034244740. Its totient is φ = 6611871360.

The previous prime is 13554336611. The next prime is 13554336619. The reversal of 13554336616 is 61663345531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13551288100 + 3048516 = 116410^2 + 1746^2 .

It is not an unprimeable number, because it can be changed into a prime (13554336611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20661771 + ... + 20662426.

Almost surely, 2^13554336616 is an apocalyptic number.

It is an amenable number.

13554336616 is a deficient number, since it is larger than the sum of its proper divisors (12479908124).

13554336616 is a wasteful number, since it uses less digits than its factorization.

13554336616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41324244 (or 41324240 counting only the distinct ones).

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

The spelling of 13554336616 in words is "thirteen billion, five hundred fifty-four million, three hundred thirty-six thousand, six hundred sixteen".