6635121162613 has 8 divisors (see below), whose sum is σ = 6663997649088. Its totient is φ = 6606248091744.

The previous prime is 6635121162599. The next prime is 6635121162673. The reversal of 6635121162613 is 3162611215366.

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 6635121162613 - 2²⁹ = 6634584291701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6635121162613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6635121162673) 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 7 ways as a sum of consecutive naturals, for example, 3079056 + ... + 4769782.

It is an arithmetic number, because the mean of its divisors is an integer number (832999706136).

Almost surely, 2^{6635121162613} is an apocalyptic number.

It is an amenable number.

6635121162613 is a deficient number, since it is larger than the sum of its proper divisors (28876486475).

6635121162613 is a wasteful number, since it uses less digits than its factorization.

6635121162613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707803.

The product of its digits is 233280, while the sum is 43.

Adding to 6635121162613 its reverse (3162611215366), we get a palindrome (9797732377979).

The spelling of 6635121162613 in words is "six trillion, six hundred thirty-five billion, one hundred twenty-one million, one hundred sixty-two thousand, six hundred thirteen".