16668516683335 has 32 divisors (see below), whose sum is σ = 21873804226560. Its totient is φ = 12093036489600.

The previous prime is 16668516683327. The next prime is 16668516683369. The reversal of 16668516683335 is 53338661586661.

It is not a de Polignac number, because 16668516683335 - 2³ = 16668516683327 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 38282586 + ... + 38715544.

It is an arithmetic number, because the mean of its divisors is an integer number (683556382080).

Almost surely, 2^{16668516683335} is an apocalyptic number.

16668516683335 is a deficient number, since it is larger than the sum of its proper divisors (5205287543225).

16668516683335 is a wasteful number, since it uses less digits than its factorization.

16668516683335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434679.

The product of its digits is 335923200, while the sum is 67.

The spelling of 16668516683335 in words is "sixteen trillion, six hundred sixty-eight billion, five hundred sixteen million, six hundred eighty-three thousand, three hundred thirty-five".