671162916 has 24 divisors (see below), whose sum is σ = 1648470880. Its totient is φ = 211946112.

The previous prime is 671162887. The next prime is 671162939. The reversal of 671162916 is 619261176.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1471621 + ... + 1472076.

Almost surely, 2^671162916 is an apocalyptic number.

It is an amenable number.

671162916 is an abundant number, since it is smaller than the sum of its proper divisors (977307964).

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

671162916 is a wasteful number, since it uses less digits than its factorization.

671162916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943723 (or 2943721 counting only the distinct ones).

The product of its digits is 27216, while the sum is 39.

The square root of 671162916 is about 25906.8121543350. The cubic root of 671162916 is about 875.5399838643.

The spelling of 671162916 in words is "six hundred seventy-one million, one hundred sixty-two thousand, nine hundred sixteen".