1682168271918 has 16 divisors (see below), whose sum is σ = 3371698336080. Its totient is φ = 559495791936.

The previous prime is 1682168271899. The next prime is 1682168271929. The reversal of 1682168271918 is 8191728612861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306738373 + ... + 306743856.

It is an arithmetic number, because the mean of its divisors is an integer number (210731146005).

Almost surely, 2^{1682168271918} is an apocalyptic number.

1682168271918 is an abundant number, since it is smaller than the sum of its proper divisors (1689530064162).

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

1682168271918 is a wasteful number, since it uses less digits than its factorization.

1682168271918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613482691.

The product of its digits is 4644864, while the sum is 60.

The spelling of 1682168271918 in words is "one trillion, six hundred eighty-two billion, one hundred sixty-eight million, two hundred seventy-one thousand, nine hundred eighteen".