13165867008 has 260 divisors, whose sum is σ = 44956794960. Its totient is φ = 3761012736.

The previous prime is 13165866947. The next prime is 13165867063. The reversal of 13165867008 is 80076856131.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2319598 + ... + 2325266.

Almost surely, 2^13165867008 is an apocalyptic number.

13165867008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13165867008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22478397480).

13165867008 is an abundant number, since it is smaller than the sum of its proper divisors (31790927952).

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

13165867008 is an frugal number, since it uses more digits than its factorization.

13165867008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712 (or 5681 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 13165867008 in words is "thirteen billion, one hundred sixty-five million, eight hundred sixty-seven thousand, eight".