6516545149331 has 8 divisors (see below), whose sum is σ = 7451777634144. Its totient is φ = 5582387030400.

The previous prime is 6516545149297. The next prime is 6516545149343. The reversal of 6516545149331 is 1339415456156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6516545149331 - 2¹⁰ = 6516545148307 is a prime.

It is a super-2 number, since 2×6516545149331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6516545169331) 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 7 ways as a sum of consecutive naturals, for example, 268578470 + ... + 268602731.

It is an arithmetic number, because the mean of its divisors is an integer number (931472204268).

Almost surely, 2^{6516545149331} is an apocalyptic number.

6516545149331 is a deficient number, since it is larger than the sum of its proper divisors (935232484813).

6516545149331 is a wasteful number, since it uses less digits than its factorization.

6516545149331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537182941.

The product of its digits is 5832000, while the sum is 53.

The spelling of 6516545149331 in words is "six trillion, five hundred sixteen billion, five hundred forty-five million, one hundred forty-nine thousand, three hundred thirty-one".