671356316 has 12 divisors (see below), whose sum is σ = 1243983888. Its totient is φ = 315932352.

The previous prime is 671356289. The next prime is 671356327. The reversal of 671356316 is 613653176.

It is a self number, because there is not a number n which added to its sum of digits gives 671356316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4936376 + ... + 4936511.

It is an arithmetic number, because the mean of its divisors is an integer number (103665324).

Almost surely, 2^671356316 is an apocalyptic number.

It is an amenable number.

671356316 is a deficient number, since it is larger than the sum of its proper divisors (572627572).

671356316 is a wasteful number, since it uses less digits than its factorization.

671356316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9872908 (or 9872906 counting only the distinct ones).

The product of its digits is 68040, while the sum is 38.

The square root of 671356316 is about 25910.5444944717. The cubic root of 671356316 is about 875.6240733191.

The spelling of 671356316 in words is "six hundred seventy-one million, three hundred fifty-six thousand, three hundred sixteen".