2001688182068 has 12 divisors (see below), whose sum is σ = 3503628388932. Its totient is φ = 1000651499520.

The previous prime is 2001688182049. The next prime is 2001688182157. The reversal of 2001688182068 is 8602818861002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1350829711504 + 650858470564 = 1162252^2 + 806758^2 .

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, 48124493 + ... + 48166068.

It is an arithmetic number, because the mean of its divisors is an integer number (291969032411).

Almost surely, 2^{2001688182068} is an apocalyptic number.

It is an amenable number.

2001688182068 is a deficient number, since it is larger than the sum of its proper divisors (1501940206864).

2001688182068 is a wasteful number, since it uses less digits than its factorization.

2001688182068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96295762 (or 96295760 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 50.

The spelling of 2001688182068 in words is "two trillion, one billion, six hundred eighty-eight million, one hundred eighty-two thousand, sixty-eight".