646243330011048 has 192 divisors, whose sum is σ = 2182256281221120. Its totient is φ = 167844953001600.

The previous prime is 646243330011031. The next prime is 646243330011049. The reversal of 646243330011048 is 840110033342646.

646243330011048 is a `hidden beast` number, since 6 + 4 + 62 + 433 + 3 + 0 + 0 + 110 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 646243330010994 and 646243330011012.

It is not an unprimeable number, because it can be changed into a prime (646243330011049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85563333 + ... + 92809323.

It is an arithmetic number, because the mean of its divisors is an integer number (11365918131360).

Almost surely, 2^{646243330011048} 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 646243330011048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1091128140610560).

646243330011048 is an abundant number, since it is smaller than the sum of its proper divisors (1536012951210072).

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

646243330011048 is a wasteful number, since it uses less digits than its factorization.

646243330011048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7262108 (or 7262101 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 646243330011048 in words is "six hundred forty-six trillion, two hundred forty-three billion, three hundred thirty million, eleven thousand, forty-eight".