6636214613 has 16 divisors (see below), whose sum is σ = 7772701440. Its totient is φ = 5546966400.

The previous prime is 6636214603. The next prime is 6636214691. The reversal of 6636214613 is 3164126366.

It is a cyclic number.

It is not a de Polignac number, because 6636214613 - 2⁶ = 6636214549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6636214603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 935243 + ... + 942311.

It is an arithmetic number, because the mean of its divisors is an integer number (485793840).

Almost surely, 2^6636214613 is an apocalyptic number.

It is an amenable number.

6636214613 is a deficient number, since it is larger than the sum of its proper divisors (1136486827).

6636214613 is a wasteful number, since it uses less digits than its factorization.

6636214613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10388.

The product of its digits is 93312, while the sum is 38.

The square root of 6636214613 is about 81462.9646710700. The cubic root of 6636214613 is about 1879.2020354471.

The spelling of 6636214613 in words is "six billion, six hundred thirty-six million, two hundred fourteen thousand, six hundred thirteen".