13606647786480 has 240 divisors, whose sum is σ = 49070192476320. Its totient is φ = 3109903663104.

The previous prime is 13606647786467. The next prime is 13606647786491. The reversal of 13606647786480 is 8468774660631.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 321367872 + ... + 321410208.

It is an arithmetic number, because the mean of its divisors is an integer number (204459135318).

Almost surely, 2^{13606647786480} is an apocalyptic number.

13606647786480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13606647786480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24535096238160).

13606647786480 is an abundant number, since it is smaller than the sum of its proper divisors (35463544689840).

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

13606647786480 is a wasteful number, since it uses less digits than its factorization.

13606647786480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69696 (or 69683 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 66.

The spelling of 13606647786480 in words is "thirteen trillion, six hundred six billion, six hundred forty-seven million, seven hundred eighty-six thousand, four hundred eighty".