6636135012 has 24 divisors (see below), whose sum is σ = 16675416576. Its totient is φ = 2041887648.

The previous prime is 6636134957. The next prime is 6636135013. The reversal of 6636135012 is 2105316366.

It is not an unprimeable number, because it can be changed into a prime (6636135013) 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, 21269508 + ... + 21269819.

It is an arithmetic number, because the mean of its divisors is an integer number (694809024).

Almost surely, 2^6636135012 is an apocalyptic number.

It is an amenable number.

6636135012 is an abundant number, since it is smaller than the sum of its proper divisors (10039281564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6636135012 is a wasteful number, since it uses less digits than its factorization.

6636135012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42539347 (or 42539345 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 6636135012 is about 81462.4760978943. The cubic root of 6636135012 is about 1879.1945217781.

The spelling of 6636135012 in words is "six billion, six hundred thirty-six million, one hundred thirty-five thousand, twelve".