671341228646 has 48 divisors (see below), whose sum is σ = 1152083684160. Its totient is φ = 290903144400.

The previous prime is 671341228639. The next prime is 671341228661. The reversal of 671341228646 is 646822143176.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 671341228594 and 671341228603.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1179545 + ... + 1653483.

It is an arithmetic number, because the mean of its divisors is an integer number (24001743420).

Almost surely, 2^671341228646 is an apocalyptic number.

671341228646 is a deficient number, since it is larger than the sum of its proper divisors (480742455514).

671341228646 is a wasteful number, since it uses less digits than its factorization.

671341228646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474081 (or 474050 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 50.

The spelling of 671341228646 in words is "six hundred seventy-one billion, three hundred forty-one million, two hundred twenty-eight thousand, six hundred forty-six".