13161544802848 has 384 divisors, whose sum is σ = 30293865604800. Its totient is φ = 5582792097792.

The previous prime is 13161544802839. The next prime is 13161544802927. The reversal of 13161544802848 is 84820844516131.

It can be written as a sum of positive squares in 32 ways, for example, as 4950500400784 + 8211044402064 = 2224972^2 + 2865492^2 .

It is a super-2 number, since 2×13161544802848² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12041668990 + ... + 12041670082.

Almost surely, 2^{13161544802848} 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 13161544802848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15146932802400).

13161544802848 is an abundant number, since it is smaller than the sum of its proper divisors (17132320801952).

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

13161544802848 is a wasteful number, since it uses less digits than its factorization.

13161544802848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744 (or 1736 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 55.

The spelling of 13161544802848 in words is "thirteen trillion, one hundred sixty-one billion, five hundred forty-four million, eight hundred two thousand, eight hundred forty-eight".