1683965116788 has 48 divisors (see below), whose sum is σ = 4066253024064. Its totient is φ = 541981739520.

The previous prime is 1683965116747. The next prime is 1683965116793. The reversal of 1683965116788 is 8876115693861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14417845 + ... + 14534172.

It is an arithmetic number, because the mean of its divisors is an integer number (84713604668).

Almost surely, 2^{1683965116788} is an apocalyptic number.

It is an amenable number.

1683965116788 is an abundant number, since it is smaller than the sum of its proper divisors (2382287907276).

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

1683965116788 is a wasteful number, since it uses less digits than its factorization.

1683965116788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28952192 (or 28952190 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 69.

The spelling of 1683965116788 in words is "one trillion, six hundred eighty-three billion, nine hundred sixty-five million, one hundred sixteen thousand, seven hundred eighty-eight".