12666328719360 has 1008 divisors, whose sum is σ = 44408799923904. Its totient is φ = 3076691853312.

The previous prime is 12666328719349. The next prime is 12666328719427. The reversal of 12666328719360 is 6391782366621.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 12666328719294 and 12666328719303.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 173511352284 + ... + 173511352356.

Almost surely, 2^{12666328719360} is an apocalyptic number.

12666328719360 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 12666328719360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22204399961952).

12666328719360 is an abundant number, since it is smaller than the sum of its proper divisors (31742471204544).

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

12666328719360 is an frugal number, since it uses more digits than its factorization.

12666328719360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 12666328719360 in words is "twelve trillion, six hundred sixty-six billion, three hundred twenty-eight million, seven hundred nineteen thousand, three hundred sixty".