6666663523235 has 8 divisors (see below), whose sum is σ = 8008607639520. Its totient is φ = 5327589877504.

The previous prime is 6666663523231. The next prime is 6666663523253. The reversal of 6666663523235 is 5323253666666.

It is a happy number.

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 6666663523235 - 2² = 6666663523231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6666663523231) 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, 717612527 + ... + 717621816.

It is an arithmetic number, because the mean of its divisors is an integer number (1001075954940).

Almost surely, 2^{6666663523235} is an apocalyptic number.

6666663523235 is a deficient number, since it is larger than the sum of its proper divisors (1341944116285).

6666663523235 is a wasteful number, since it uses less digits than its factorization.

6666663523235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435235277.

The product of its digits is 125971200, while the sum is 59.

The spelling of 6666663523235 in words is "six trillion, six hundred sixty-six billion, six hundred sixty-three million, five hundred twenty-three thousand, two hundred thirty-five".