13663541516 has 24 divisors (see below), whose sum is σ = 26037606000. Its totient is φ = 6249023424.

The previous prime is 13663541509. The next prime is 13663541519. The reversal of 13663541516 is 61514536631.

It is not an unprimeable number, because it can be changed into a prime (13663541519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3097511 + ... + 3101918.

It is an arithmetic number, because the mean of its divisors is an integer number (1084900250).

Almost surely, 2^13663541516 is an apocalyptic number.

It is an amenable number.

13663541516 is a deficient number, since it is larger than the sum of its proper divisors (12374064484).

13663541516 is a wasteful number, since it uses less digits than its factorization.

13663541516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6199481 (or 6199479 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The spelling of 13663541516 in words is "thirteen billion, six hundred sixty-three million, five hundred forty-one thousand, five hundred sixteen".