6544121634032 has 20 divisors (see below), whose sum is σ = 13088243269056. Its totient is φ = 3166510467840.

The previous prime is 6544121634031. The next prime is 6544121634047. The reversal of 6544121634032 is 2304361214456.

6544121634032 is an admirable number.

It is a super-2 number, since 2×6544121634032² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6544121634031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6596896313 + ... + 6596897304.

Almost surely, 2^{6544121634032} is an apocalyptic number.

6544121634032 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

6544121634032 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6544121634032 is a wasteful number, since it uses less digits than its factorization.

6544121634032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13193793656 (or 13193793650 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 6544121634032 its reverse (2304361214456), we get a palindrome (8848482848488).

The spelling of 6544121634032 in words is "six trillion, five hundred forty-four billion, one hundred twenty-one million, six hundred thirty-four thousand, thirty-two".