13183330864 has 80 divisors (see below), whose sum is σ = 28930648320. Its totient is φ = 5764711680.

The previous prime is 13183330859. The next prime is 13183330871. The reversal of 13183330864 is 46803338131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1439869 + ... + 1448995.

It is an arithmetic number, because the mean of its divisors is an integer number (361633104).

Almost surely, 2^13183330864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13183330864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14465324160).

13183330864 is an abundant number, since it is smaller than the sum of its proper divisors (15747317456).

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

13183330864 is a wasteful number, since it uses less digits than its factorization.

13183330864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9458 (or 9452 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

Adding to 13183330864 its reverse (46803338131), we get a palindrome (59986668995).

The spelling of 13183330864 in words is "thirteen billion, one hundred eighty-three million, three hundred thirty thousand, eight hundred sixty-four".