6665967135 has 12 divisors (see below), whose sum is σ = 11554343112. Its totient is φ = 3555182448.

The previous prime is 6665967127. The next prime is 6665967179. The reversal of 6665967135 is 5317695666.

It is not a de Polignac number, because 6665967135 - 2³ = 6665967127 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 (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74066257 + ... + 74066346.

It is an arithmetic number, because the mean of its divisors is an integer number (962861926).

Almost surely, 2^6665967135 is an apocalyptic number.

6665967135 is a deficient number, since it is larger than the sum of its proper divisors (4888375977).

6665967135 is a wasteful number, since it uses less digits than its factorization.

6665967135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148132614 (or 148132611 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 54.

The square root of 6665967135 is about 81645.3742412882. The cubic root of 6665967135 is about 1882.0062270093.

The spelling of 6665967135 in words is "six billion, six hundred sixty-five million, nine hundred sixty-seven thousand, one hundred thirty-five".