5218670353856 has 84 divisors (see below), whose sum is σ = 10496694316704. Its totient is φ = 2574301440000.

The previous prime is 5218670353843. The next prime is 5218670353873. The reversal of 5218670353856 is 6583530768125.

It is a junction number, because it is equal to n+sod(n) for n = 5218670353795 and 5218670353804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331105016 + ... + 331120776.

Almost surely, 2^{5218670353856} 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 5218670353856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5248347158352).

5218670353856 is an abundant number, since it is smaller than the sum of its proper divisors (5278023962848).

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

5218670353856 is an equidigital number, since it uses as much as digits as its factorization.

5218670353856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16690 (or 16597 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 59.

The spelling of 5218670353856 in words is "five trillion, two hundred eighteen billion, six hundred seventy million, three hundred fifty-three thousand, eight hundred fifty-six".