13608932856 has 64 divisors (see below), whose sum is σ = 35955964800. Its totient is φ = 4280400000.

The previous prime is 13608932851. The next prime is 13608932891. The reversal of 13608932856 is 65823980631.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13608932799 and 13608932808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13608932851) 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, 55006 + ... + 173906.

It is an arithmetic number, because the mean of its divisors is an integer number (561811950).

Almost surely, 2^13608932856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13608932856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17977982400).

13608932856 is an abundant number, since it is smaller than the sum of its proper divisors (22347031944).

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

13608932856 is a wasteful number, since it uses less digits than its factorization.

13608932856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119180 (or 119176 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 13608932856 in words is "thirteen billion, six hundred eight million, nine hundred thirty-two thousand, eight hundred fifty-six".