13544910656 has 28 divisors (see below), whose sum is σ = 27385324452. Its totient is φ = 6644671488.

The previous prime is 13544910653. The next prime is 13544910671. The reversal of 13544910656 is 65601944531.

It can be written as a sum of positive squares in 2 ways, for example, as 12250062400 + 1294848256 = 110680^2 + 35984^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13544910653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1993205 + ... + 1999988.

Almost surely, 2^13544910656 is an apocalyptic number.

13544910656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13544910656 is an abundant number, since it is smaller than the sum of its proper divisors (13840413796).

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

13544910656 is an equidigital number, since it uses as much as digits as its factorization.

13544910656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993258 (or 3993248 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 13544910656 in words is "thirteen billion, five hundred forty-four million, nine hundred ten thousand, six hundred fifty-six".