671743012016 has 40 divisors (see below), whose sum is σ = 1331856106944. Its totient is φ = 328039225920.

The previous prime is 671743012007. The next prime is 671743012033. The reversal of 671743012016 is 610210347176.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18053111 + ... + 18090281.

Almost surely, 2^671743012016 is an apocalyptic number.

It is an amenable number.

671743012016 is a deficient number, since it is larger than the sum of its proper divisors (660113094928).

671743012016 is a wasteful number, since it uses less digits than its factorization.

671743012016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63489 (or 63483 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 671743012016 in words is "six hundred seventy-one billion, seven hundred forty-three million, twelve thousand, sixteen".