1680315180 has 48 divisors (see below), whose sum is σ = 4793662944. Its totient is φ = 439628800.

The previous prime is 1680315137. The next prime is 1680315199. The reversal of 1680315180 is 815130861.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261021 + ... + 267380.

It is an arithmetic number, because the mean of its divisors is an integer number (99867978).

Almost surely, 2^1680315180 is an apocalyptic number.

1680315180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1680315180 is an abundant number, since it is smaller than the sum of its proper divisors (3113347764).

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

1680315180 is a wasteful number, since it uses less digits than its factorization.

1680315180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528466 (or 528464 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 1680315180 is about 40991.6476858396. The cubic root of 1680315180 is about 1188.8587273851.

The spelling of 1680315180 in words is "one billion, six hundred eighty million, three hundred fifteen thousand, one hundred eighty".