6636665036411 has 8 divisors (see below), whose sum is σ = 6925361587200. Its totient is φ = 6347980643752.

The previous prime is 6636665036401. The next prime is 6636665036423. The reversal of 6636665036411 is 1146305666366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6636665036411 - 2⁶ = 6636665036347 is a prime.

It is a super-4 number, since 4×6636665036411⁴ (a number of 52 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6636665036401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1915211 + ... + 4115988.

It is an arithmetic number, because the mean of its divisors is an integer number (865670198400).

Almost surely, 2^{6636665036411} is an apocalyptic number.

6636665036411 is a deficient number, since it is larger than the sum of its proper divisors (288696550789).

6636665036411 is a wasteful number, since it uses less digits than its factorization.

6636665036411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6079065.

The product of its (nonzero) digits is 8398080, while the sum is 53.

The spelling of 6636665036411 in words is "six trillion, six hundred thirty-six billion, six hundred sixty-five million, thirty-six thousand, four hundred eleven".