13642543446660 has 72 divisors (see below), whose sum is σ = 41382911868480. Its totient is φ = 3637964985408.

The previous prime is 13642543446617. The next prime is 13642543446689. The reversal of 13642543446660 is 6664434524631.

It is a super-2 number, since 2×13642543446660² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13642543446597 and 13642543446606.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14968809 + ... + 15854031.

It is an arithmetic number, because the mean of its divisors is an integer number (574762664840).

Almost surely, 2^{13642543446660} is an apocalyptic number.

13642543446660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13642543446660 is an abundant number, since it is smaller than the sum of its proper divisors (27740368421820).

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

13642543446660 is a wasteful number, since it uses less digits than its factorization.

13642543446660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970857 (or 970852 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 54.

The spelling of 13642543446660 in words is "thirteen trillion, six hundred forty-two billion, five hundred forty-three million, four hundred forty-six thousand, six hundred sixty".