6516503226 has 48 divisors (see below), whose sum is σ = 14888764800. Its totient is φ = 2054165184.

The previous prime is 6516503177. The next prime is 6516503239. The reversal of 6516503226 is 6223056156.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177855 + ... + 211341.

It is an arithmetic number, because the mean of its divisors is an integer number (310182600).

Almost surely, 2^6516503226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6516503226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7444382400).

6516503226 is an abundant number, since it is smaller than the sum of its proper divisors (8372261574).

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

6516503226 is a wasteful number, since it uses less digits than its factorization.

6516503226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34083 (or 34080 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 6516503226 is about 80724.8612634299. The cubic root of 6516503226 is about 1867.8336916548.

The spelling of 6516503226 in words is "six billion, five hundred sixteen million, five hundred three thousand, two hundred twenty-six".