6636873675 has 54 divisors (see below), whose sum is σ = 11498907252. Its totient is φ = 3377489280.

The previous prime is 6636873673. The next prime is 6636873689. The reversal of 6636873675 is 5763786366.

It is not a de Polignac number, because 6636873675 - 2¹ = 6636873673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6636873673) by changing a digit.

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 53 ways as a sum of consecutive naturals, for example, 16226871 + ... + 16227279.

Almost surely, 2^6636873675 is an apocalyptic number.

6636873675 is a deficient number, since it is larger than the sum of its proper divisors (4862033577).

6636873675 is an equidigital number, since it uses as much as digits as its factorization.

6636873675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 440 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 57.

The square root of 6636873675 is about 81467.0097340021. The cubic root of 6636873675 is about 1879.2642430823.

The spelling of 6636873675 in words is "six billion, six hundred thirty-six million, eight hundred seventy-three thousand, six hundred seventy-five".