1680180316 has 12 divisors (see below), whose sum is σ = 2948329888. Its totient is φ = 837800352.

The previous prime is 1680180311. The next prime is 1680180331. The reversal of 1680180316 is 6130810861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680180311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570801 + ... + 573736.

Almost surely, 2^1680180316 is an apocalyptic number.

It is an amenable number.

1680180316 is a deficient number, since it is larger than the sum of its proper divisors (1268149572).

1680180316 is a wasteful number, since it uses less digits than its factorization.

1680180316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144908 (or 1144906 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 1680180316 is about 40990.0026347889. The cubic root of 1680180316 is about 1188.8269201514.

The spelling of 1680180316 in words is "one billion, six hundred eighty million, one hundred eighty thousand, three hundred sixteen".