6516100056 has 32 divisors (see below), whose sum is σ = 16815744000. Its totient is φ = 2101967520.

The previous prime is 6516100049. The next prime is 6516100067. The reversal of 6516100056 is 6500016156.

It is a junction number, because it is equal to n+sod(n) for n = 6516099996 and 6516100032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4378356 + ... + 4379843.

It is an arithmetic number, because the mean of its divisors is an integer number (525492000).

Almost surely, 2^6516100056 is an apocalyptic number.

It is an amenable number.

6516100056 is an abundant number, since it is smaller than the sum of its proper divisors (10299643944).

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

6516100056 is a wasteful number, since it uses less digits than its factorization.

6516100056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8758239 (or 8758235 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 6516100056 is about 80722.3640387223. The cubic root of 6516100056 is about 1867.7951704820.

The spelling of 6516100056 in words is "six billion, five hundred sixteen million, one hundred thousand, fifty-six".