671063784360 has 128 divisors (see below), whose sum is σ = 2060537719680. Its totient is φ = 174743912448.

The previous prime is 671063784343. The next prime is 671063784389. The reversal of 671063784360 is 63487360176.

671063784360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23272672 + ... + 23301488.

It is an arithmetic number, because the mean of its divisors is an integer number (16097950935).

Almost surely, 2^671063784360 is an apocalyptic number.

671063784360 is a gapful number since it is divisible by the number (60) 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 671063784360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030268859840).

671063784360 is an abundant number, since it is smaller than the sum of its proper divisors (1389473935320).

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

671063784360 is a wasteful number, since it uses less digits than its factorization.

671063784360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33387 (or 33383 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 51.

The spelling of 671063784360 in words is "six hundred seventy-one billion, sixty-three million, seven hundred eighty-four thousand, three hundred sixty".