13663115066 has 8 divisors (see below), whose sum is σ = 20971293024. Its totient is φ = 6672684060.

The previous prime is 13663115051. The next prime is 13663115077. The reversal of 13663115066 is 66051136631.

It is a happy number.

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

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, 79436630 + ... + 79436801.

It is an arithmetic number, because the mean of its divisors is an integer number (2621411628).

Almost surely, 2^13663115066 is an apocalyptic number.

13663115066 is a deficient number, since it is larger than the sum of its proper divisors (7308177958).

13663115066 is a wasteful number, since it uses less digits than its factorization.

13663115066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158873476.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 13663115066 in words is "thirteen billion, six hundred sixty-three million, one hundred fifteen thousand, sixty-six".