1680839930180 has 12 divisors (see below), whose sum is σ = 3529763853420. Its totient is φ = 672335972064.

The previous prime is 1680839930153. The next prime is 1680839930221. The reversal of 1680839930180 is 810399380861.

It can be written as a sum of positive squares in 2 ways, for example, as 1019809140736 + 661030789444 = 1009856^2 + 813038^2 .

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, 42020998235 + ... + 42020998274.

It is an arithmetic number, because the mean of its divisors is an integer number (294146987785).

Almost surely, 2^{1680839930180} is an apocalyptic number.

1680839930180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1680839930180 is an abundant number, since it is smaller than the sum of its proper divisors (1848923923240).

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

1680839930180 is a wasteful number, since it uses less digits than its factorization.

1680839930180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84041996518 (or 84041996516 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 56.

The spelling of 1680839930180 in words is "one trillion, six hundred eighty billion, eight hundred thirty-nine million, nine hundred thirty thousand, one hundred eighty".