6636045605 has 8 divisors (see below), whose sum is σ = 9100862592. Its totient is φ = 4550431248.

The previous prime is 6636045589. The next prime is 6636045607. The reversal of 6636045605 is 5065406366.

It is a happy number.

6636045605 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6636045605 - 2⁴ = 6636045589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6636045607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94800617 + ... + 94800686.

It is an arithmetic number, because the mean of its divisors is an integer number (1137607824).

Almost surely, 2^6636045605 is an apocalyptic number.

It is an amenable number.

6636045605 is a deficient number, since it is larger than the sum of its proper divisors (2464816987).

6636045605 is a wasteful number, since it uses less digits than its factorization.

6636045605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189601315.

The product of its (nonzero) digits is 388800, while the sum is 41.

The square root of 6636045605 is about 81461.9273341848. The cubic root of 6636045605 is about 1879.1860824331.

The spelling of 6636045605 in words is "six billion, six hundred thirty-six million, forty-five thousand, six hundred five".