6815930216 has 16 divisors (see below), whose sum is σ = 13335516000. Its totient is φ = 3259792624.

The previous prime is 6815930161. The next prime is 6815930237. The reversal of 6815930216 is 6120395186.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18521366 + ... + 18521733.

It is an arithmetic number, because the mean of its divisors is an integer number (833469750).

Almost surely, 2^6815930216 is an apocalyptic number.

It is an amenable number.

6815930216 is a deficient number, since it is larger than the sum of its proper divisors (6519585784).

6815930216 is a wasteful number, since it uses less digits than its factorization.

6815930216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37043128 (or 37043124 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 6815930216 is about 82558.6471303885. The cubic root of 6815930216 is about 1896.0147507561.

The spelling of 6815930216 in words is "six billion, eight hundred fifteen million, nine hundred thirty thousand, two hundred sixteen".