6816317480 has 48 divisors (see below), whose sum is σ = 17840672820. Its totient is φ = 2337022464.

The previous prime is 6816317477. The next prime is 6816317567. The reversal of 6816317480 is 847136186.

It can be written as a sum of positive squares in 2 ways, for example, as 6778887556 + 37429924 = 82334^2 + 6118^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1736897 + ... + 1740816.

Almost surely, 2^6816317480 is an apocalyptic number.

It is an amenable number.

6816317480 is an abundant number, since it is smaller than the sum of its proper divisors (11024355340).

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

6816317480 is a wasteful number, since it uses less digits than its factorization.

6816317480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3477738 (or 3477727 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 6816317480 is about 82560.9924843446. The cubic root of 6816317480 is about 1896.0506590048.

The spelling of 6816317480 in words is "six billion, eight hundred sixteen million, three hundred seventeen thousand, four hundred eighty".