12796225163640 has 160 divisors (see below), whose sum is σ = 43011673515360. Its totient is φ = 3412157011200.

The previous prime is 12796225163627. The next prime is 12796225163647. The reversal of 12796225163640 is 4636152269721.

It is a happy number.

12796225163640 is a `hidden beast` number, since 1 + 2 + 7 + 9 + 62 + 2 + 516 + 3 + 64 + 0 = 666.

12796225163640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12796225163647) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 73594005 + ... + 73767675.

It is an arithmetic number, because the mean of its divisors is an integer number (268822959471).

Almost surely, 2^{12796225163640} is an apocalyptic number.

12796225163640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12796225163640 is an abundant number, since it is smaller than the sum of its proper divisors (30215448351720).

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

12796225163640 is a wasteful number, since it uses less digits than its factorization.

12796225163640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196435 (or 196422 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 12796225163640 in words is "twelve trillion, seven hundred ninety-six billion, two hundred twenty-five million, one hundred sixty-three thousand, six hundred forty".