12733163520 has 576 divisors, whose sum is σ = 51762110400. Its totient is φ = 2642411520.

The previous prime is 12733163447. The next prime is 12733163537. The reversal of 12733163520 is 2536133721.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16557696 + ... + 16558464.

It is an arithmetic number, because the mean of its divisors is an integer number (89864775).

Almost surely, 2^12733163520 is an apocalyptic number.

12733163520 is a gapful number since it is divisible by the number (10) 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 12733163520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25881055200).

12733163520 is an abundant number, since it is smaller than the sum of its proper divisors (39028946880).

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

12733163520 is a wasteful number, since it uses less digits than its factorization.

12733163520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The spelling of 12733163520 in words is "twelve billion, seven hundred thirty-three million, one hundred sixty-three thousand, five hundred twenty".