6543110142 has 48 divisors (see below), whose sum is σ = 14970206160. Its totient is φ = 2059693056.

The previous prime is 6543110137. The next prime is 6543110143. The reversal of 6543110142 is 2410113456.

It is a happy number.

6543110142 is a `hidden beast` number, since 6 + 543 + 110 + 1 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6543110143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78238 + ... + 138590.

It is an arithmetic number, because the mean of its divisors is an integer number (311879295).

Almost surely, 2^6543110142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6543110142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7485103080).

6543110142 is an abundant number, since it is smaller than the sum of its proper divisors (8427096018).

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

6543110142 is a wasteful number, since it uses less digits than its factorization.

6543110142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60697 (or 60694 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 6543110142 is about 80889.4933968559. The cubic root of 6543110142 is about 1870.3723644840.

Adding to 6543110142 its reverse (2410113456), we get a palindrome (8953223598).

The spelling of 6543110142 in words is "six billion, five hundred forty-three million, one hundred ten thousand, one hundred forty-two".