13316415066 has 48 divisors (see below), whose sum is σ = 29941146144. Its totient is φ = 4435791984.

The previous prime is 13316415059. The next prime is 13316415067. The reversal of 13316415066 is 66051461331.

13316415066 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 641 + 5 + 0 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13316415066.

It is not an unprimeable number, because it can be changed into a prime (13316415067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 775425 + ... + 792411.

It is an arithmetic number, because the mean of its divisors is an integer number (623773878).

Almost surely, 2^13316415066 is an apocalyptic number.

13316415066 is an abundant number, since it is smaller than the sum of its proper divisors (16624731078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13316415066 is a wasteful number, since it uses less digits than its factorization.

13316415066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18617 (or 18605 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Adding to 13316415066 its reverse (66051461331), we get a palindrome (79367876397).

The spelling of 13316415066 in words is "thirteen billion, three hundred sixteen million, four hundred fifteen thousand, sixty-six".