12816733560 has 64 divisors (see below), whose sum is σ = 38509862400. Its totient is φ = 3412492416.

The previous prime is 12816733493. The next prime is 12816733561. The reversal of 12816733560 is 6533761821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12816733561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4900 + ... + 160179.

It is an arithmetic number, because the mean of its divisors is an integer number (601716600).

Almost surely, 2^12816733560 is an apocalyptic number.

12816733560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12816733560 is an abundant number, since it is smaller than the sum of its proper divisors (25693128840).

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

12816733560 is a wasteful number, since it uses less digits than its factorization.

12816733560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165740 (or 165736 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 12816733560 in words is "twelve billion, eight hundred sixteen million, seven hundred thirty-three thousand, five hundred sixty".