13313652066 has 96 divisors (see below), whose sum is σ = 33943396032. Its totient is φ = 3718154880.

The previous prime is 13313652059. The next prime is 13313652067. The reversal of 13313652066 is 66025631331.

13313652066 is a `hidden beast` number, since 13 + 31 + 36 + 520 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13313652066.

It is not an unprimeable number, because it can be changed into a prime (13313652067) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1754256 + ... + 1761828.

It is an arithmetic number, because the mean of its divisors is an integer number (353577042).

Almost surely, 2^13313652066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13313652066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16971698016).

13313652066 is an abundant number, since it is smaller than the sum of its proper divisors (20629743966).

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

13313652066 is a wasteful number, since it uses less digits than its factorization.

13313652066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8288 (or 8285 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The spelling of 13313652066 in words is "thirteen billion, three hundred thirteen million, six hundred fifty-two thousand, sixty-six".