13543606556 has 12 divisors (see below), whose sum is σ = 23702586600. Its totient is φ = 6771438960.

The previous prime is 13543606553. The next prime is 13543606579. The reversal of 13543606556 is 65560634531.

It is a super-2 number, since 2×13543606556² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13543606553) 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, 3470 + ... + 164618.

It is an arithmetic number, because the mean of its divisors is an integer number (1975215550).

Almost surely, 2^13543606556 is an apocalyptic number.

It is an amenable number.

13543606556 is a deficient number, since it is larger than the sum of its proper divisors (10158980044).

13543606556 is a wasteful number, since it uses less digits than its factorization.

13543606556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182164 (or 182162 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 44.

The spelling of 13543606556 in words is "thirteen billion, five hundred forty-three million, six hundred six thousand, five hundred fifty-six".