1683716683385 has 8 divisors (see below), whose sum is σ = 2204138203776. Its totient is φ = 1224521224240.

The previous prime is 1683716683357. The next prime is 1683716683403. The reversal of 1683716683385 is 5833866173861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1683716683385 - 2³⁸ = 1408838776441 is a prime.

It is a Duffinian 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, 15306515249 + ... + 15306515358.

It is an arithmetic number, because the mean of its divisors is an integer number (275517275472).

Almost surely, 2^{1683716683385} is an apocalyptic number.

It is an amenable number.

1683716683385 is a deficient number, since it is larger than the sum of its proper divisors (520421520391).

1683716683385 is a wasteful number, since it uses less digits than its factorization.

1683716683385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30613030623.

The product of its digits is 104509440, while the sum is 65.

The spelling of 1683716683385 in words is "one trillion, six hundred eighty-three billion, seven hundred sixteen million, six hundred eighty-three thousand, three hundred eighty-five".