16683508417663 has 8 divisors (see below), whose sum is σ = 16794416121696. Its totient is φ = 16572606252000.

The previous prime is 16683508417661. The next prime is 16683508417699. The reversal of 16683508417663 is 36671480538661.

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 16683508417663 - 2¹ = 16683508417661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16683508417595 and 16683508417604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16683508417661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4750173 + ... + 7478713.

It is an arithmetic number, because the mean of its divisors is an integer number (2099302015212).

Almost surely, 2^{16683508417663} is an apocalyptic number.

16683508417663 is a deficient number, since it is larger than the sum of its proper divisors (110907704033).

16683508417663 is a wasteful number, since it uses less digits than its factorization.

16683508417663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769185.

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 16683508417663 in words is "sixteen trillion, six hundred eighty-three billion, five hundred eight million, four hundred seventeen thousand, six hundred sixty-three".