671032847687328 has 768 divisors, whose sum is σ = 2360772797644800. Its totient is φ = 183731373536256.

The previous prime is 671032847687311. The next prime is 671032847687357. The reversal of 671032847687328 is 823786748230176.

671032847687328 is a `hidden beast` number, since 6 + 7 + 10 + 3 + 284 + 7 + 6 + 8 + 7 + 328 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

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 127 ways as a sum of consecutive naturals, for example, 1116154233 + ... + 1116755271.

It is an arithmetic number, because the mean of its divisors is an integer number (3073922913600).

Almost surely, 2^{671032847687328} 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 671032847687328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1180386398822400).

671032847687328 is an abundant number, since it is smaller than the sum of its proper divisors (1689739949957472).

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

671032847687328 is an equidigital number, since it uses as much as digits as its factorization.

671032847687328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601173 (or 601147 counting only the distinct ones).

The product of its (nonzero) digits is 910393344, while the sum is 72.

The spelling of 671032847687328 in words is "six hundred seventy-one trillion, thirty-two billion, eight hundred forty-seven million, six hundred eighty-seven thousand, three hundred twenty-eight".