6516126344 has 64 divisors (see below), whose sum is σ = 15522339840. Its totient is φ = 2494644480.

The previous prime is 6516126329. The next prime is 6516126347. The reversal of 6516126344 is 4436216156.

It is a junction number, because it is equal to n+sod(n) for n = 6516126298 and 6516126307.

It is not an unprimeable number, because it can be changed into a prime (6516126347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121799 + ... + 166934.

It is an arithmetic number, because the mean of its divisors is an integer number (242536560).

Almost surely, 2^6516126344 is an apocalyptic number.

It is an amenable number.

6516126344 is an abundant number, since it is smaller than the sum of its proper divisors (9006213496).

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

6516126344 is a wasteful number, since it uses less digits than its factorization.

6516126344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288790 (or 288786 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 6516126344 is about 80722.5268682788. The cubic root of 6516126344 is about 1867.7976822366.

The spelling of 6516126344 in words is "six billion, five hundred sixteen million, one hundred twenty-six thousand, three hundred forty-four".