6636214612 has 12 divisors (see below), whose sum is σ = 11639243700. Its totient is φ = 3310716416.

The previous prime is 6636214603. The next prime is 6636214691. The reversal of 6636214612 is 2164126366.

It can be written as a sum of positive squares in 2 ways, for example, as 1520532036 + 5115682576 = 38994^2 + 71524^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1845703 + ... + 1849294.

It is an arithmetic number, because the mean of its divisors is an integer number (969936975).

Almost surely, 2^6636214612 is an apocalyptic number.

It is an amenable number.

6636214612 is a deficient number, since it is larger than the sum of its proper divisors (5003029088).

6636214612 is a wasteful number, since it uses less digits than its factorization.

6636214612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695450 (or 3695448 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 6636214612 is about 81462.9646649322. The cubic root of 6636214612 is about 1879.2020353527.

The spelling of 6636214612 in words is "six billion, six hundred thirty-six million, two hundred fourteen thousand, six hundred twelve".