6668282135 has 4 divisors (see below), whose sum is σ = 8001938568. Its totient is φ = 5334625704.

The previous prime is 6668282057. The next prime is 6668282141. The reversal of 6668282135 is 5312828666.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5312828666 = 2 ⋅2656414333.

It is a cyclic number.

It is not a de Polignac number, because 6668282135 - 2¹⁸ = 6668019991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6668282135.

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 3 ways as a sum of consecutive naturals, for example, 666828209 + ... + 666828218.

It is an arithmetic number, because the mean of its divisors is an integer number (2000484642).

Almost surely, 2^6668282135 is an apocalyptic number.

6668282135 is a deficient number, since it is larger than the sum of its proper divisors (1333656433).

6668282135 is a wasteful number, since it uses less digits than its factorization.

6668282135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333656432.

The product of its digits is 829440, while the sum is 47.

The square root of 6668282135 is about 81659.5501763266. The cubic root of 6668282135 is about 1882.2240668749.

The spelling of 6668282135 in words is "six billion, six hundred sixty-eight million, two hundred eighty-two thousand, one hundred thirty-five".