1683368385517 has 8 divisors (see below), whose sum is σ = 2071838013056. Its totient is φ = 1331895865392.

The previous prime is 1683368385511. The next prime is 1683368385553. The reversal of 1683368385517 is 7155838633861.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1683368385517 - 2¹¹ = 1683368383469 is a prime.

It is a super-2 number, since 2×1683368385517² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1683368385511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9249276753 + ... + 9249276934.

It is an arithmetic number, because the mean of its divisors is an integer number (258979751632).

Almost surely, 2^{1683368385517} is an apocalyptic number.

It is an amenable number.

1683368385517 is a deficient number, since it is larger than the sum of its proper divisors (388469627539).

1683368385517 is a wasteful number, since it uses less digits than its factorization.

1683368385517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18498553707.

The product of its digits is 87091200, while the sum is 64.

The spelling of 1683368385517 in words is "one trillion, six hundred eighty-three billion, three hundred sixty-eight million, three hundred eighty-five thousand, five hundred seventeen".