6516442141 has 32 divisors (see below), whose sum is σ = 7740518400. Its totient is φ = 5419872000.

The previous prime is 6516442117. The next prime is 6516442151. The reversal of 6516442141 is 1412446156.

It is a cyclic number.

It is not a de Polignac number, because 6516442141 - 2¹¹ = 6516440093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6516442097 and 6516442106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6516442151) 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, 4787301 + ... + 4788661.

It is an arithmetic number, because the mean of its divisors is an integer number (241891200).

Almost surely, 2^6516442141 is an apocalyptic number.

It is an amenable number.

6516442141 is a deficient number, since it is larger than the sum of its proper divisors (1224076259).

6516442141 is a wasteful number, since it uses less digits than its factorization.

6516442141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161.

The product of its digits is 23040, while the sum is 34.

The square root of 6516442141 is about 80724.4829094619. The cubic root of 6516442141 is about 1867.8278553459.

Adding to 6516442141 its reverse (1412446156), we get a palindrome (7928888297).

The spelling of 6516442141 in words is "six billion, five hundred sixteen million, four hundred forty-two thousand, one hundred forty-one".