13386573816 has 224 divisors, whose sum is σ = 42692417280. Its totient is φ = 3468964800.

The previous prime is 13386573787. The next prime is 13386573829. The reversal of 13386573816 is 61837568331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 31059121 + ... + 31059551.

Almost surely, 2^13386573816 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 13386573816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21346208640).

13386573816 is an abundant number, since it is smaller than the sum of its proper divisors (29305843464).

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

13386573816 is an frugal number, since it uses more digits than its factorization.

13386573816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 454 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The spelling of 13386573816 in words is "thirteen billion, three hundred eighty-six million, five hundred seventy-three thousand, eight hundred sixteen".