6543024112644 has 96 divisors (see below), whose sum is σ = 16416417588480. Its totient is φ = 2021032869888.

The previous prime is 6543024112621. The next prime is 6543024112649. The reversal of 6543024112644 is 4462114203456.

It is a super-2 number, since 2×6543024112644² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6543024112596 and 6543024112605.

It is not an unprimeable number, because it can be changed into a prime (6543024112649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2735092 + ... + 4535060.

It is an arithmetic number, because the mean of its divisors is an integer number (171004349880).

Almost surely, 2^{6543024112644} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6543024112644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8208208794240).

6543024112644 is an abundant number, since it is smaller than the sum of its proper divisors (9873393475836).

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

6543024112644 is a wasteful number, since it uses less digits than its factorization.

6543024112644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800269 (or 1800267 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 6543024112644 in words is "six trillion, five hundred forty-three billion, twenty-four million, one hundred twelve thousand, six hundred forty-four".