13667530816 has 56 divisors (see below), whose sum is σ = 27724608000. Its totient is φ = 6682079232.

The previous prime is 13667530771. The next prime is 13667530829. The reversal of 13667530816 is 61803576631.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6011856 + ... + 6014128.

Almost surely, 2^13667530816 is an apocalyptic number.

13667530816 is a gapful number since it is divisible by the number (16) 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 13667530816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13862304000).

13667530816 is an abundant number, since it is smaller than the sum of its proper divisors (14057077184).

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

13667530816 is a wasteful number, since it uses less digits than its factorization.

13667530816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331 (or 4321 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 13667530816 in words is "thirteen billion, six hundred sixty-seven million, five hundred thirty thousand, eight hundred sixteen".