6546142512 has 240 divisors, whose sum is σ = 22932698880. Its totient is φ = 1696992768.

The previous prime is 6546142501. The next prime is 6546142531. The reversal of 6546142512 is 2152416456.

6546142512 is a `hidden beast` number, since 6 + 5 + 4 + 614 + 25 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 768903 + ... + 777369.

It is an arithmetic number, because the mean of its divisors is an integer number (95552912).

Almost surely, 2^6546142512 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 6546142512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11466349440).

6546142512 is an abundant number, since it is smaller than the sum of its proper divisors (16386556368).

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

6546142512 is a wasteful number, since it uses less digits than its factorization.

6546142512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8560 (or 8551 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 6546142512 is about 80908.2351309185. The cubic root of 6546142512 is about 1870.6612579400.

Adding to 6546142512 its reverse (2152416456), we get a palindrome (8698558968).

The spelling of 6546142512 in words is "six billion, five hundred forty-six million, one hundred forty-two thousand, five hundred twelve".