13663515166 has 8 divisors (see below), whose sum is σ = 23423168880. Its totient is φ = 5855792208.

The previous prime is 13663515101. The next prime is 13663515209. The reversal of 13663515166 is 66151536631.

13663515166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487982671 + ... + 487982698.

It is an arithmetic number, because the mean of its divisors is an integer number (2927896110).

Almost surely, 2^13663515166 is an apocalyptic number.

13663515166 is a deficient number, since it is larger than the sum of its proper divisors (9759653714).

13663515166 is an equidigital number, since it uses as much as digits as its factorization.

13663515166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975965378.

The product of its digits is 291600, while the sum is 43.

The spelling of 13663515166 in words is "thirteen billion, six hundred sixty-three million, five hundred fifteen thousand, one hundred sixty-six".