13660399054848 has 832 divisors, whose sum is σ = 46102338680832. Its totient is φ = 3501855866880.

The previous prime is 13660399054793. The next prime is 13660399054931. The reversal of 13660399054848 is 84845099306631.

It is a tau number, because it is divible by the number of its divisors (832).

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 63 ways as a sum of consecutive naturals, for example, 5795670886 + ... + 5795673242.

Almost surely, 2^{13660399054848} 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 13660399054848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23051169340416).

13660399054848 is an abundant number, since it is smaller than the sum of its proper divisors (32441939625984).

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

13660399054848 is a wasteful number, since it uses less digits than its factorization.

13660399054848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548 (or 2526 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 66.

The spelling of 13660399054848 in words is "thirteen trillion, six hundred sixty billion, three hundred ninety-nine million, fifty-four thousand, eight hundred forty-eight".