16666668335 has 16 divisors (see below), whose sum is σ = 21184644096. Its totient is φ = 12544178688.

The previous prime is 16666668313. The next prime is 16666668379. The reversal of 16666668335 is 53386666661.

It is not a de Polignac number, because 16666668335 - 2⁸ = 16666668079 is a prime.

It is a super-4 number, since 4×16666668335⁴ (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 191909 + ... + 264881.

It is an arithmetic number, because the mean of its divisors is an integer number (1324040256).

Almost surely, 2^16666668335 is an apocalyptic number.

16666668335 is a deficient number, since it is larger than the sum of its proper divisors (4517975761).

16666668335 is a wasteful number, since it uses less digits than its factorization.

16666668335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75682.

The product of its digits is 16796160, while the sum is 56.

The spelling of 16666668335 in words is "sixteen billion, six hundred sixty-six million, six hundred sixty-eight thousand, three hundred thirty-five".