6662618056 has 16 divisors (see below), whose sum is σ = 12582284400. Its totient is φ = 3307342224.

The previous prime is 6662618029. The next prime is 6662618063. The reversal of 6662618056 is 6508162666.

It is a junction number, because it is equal to n+sod(n) for n = 6662617997 and 6662618015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2994670 + ... + 2996893.

It is an arithmetic number, because the mean of its divisors is an integer number (786392775).

Almost surely, 2^6662618056 is an apocalyptic number.

It is an amenable number.

6662618056 is a deficient number, since it is larger than the sum of its proper divisors (5919666344).

6662618056 is a wasteful number, since it uses less digits than its factorization.

6662618056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5991708 (or 5991704 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 6662618056 is about 81624.8617517972. The cubic root of 6662618056 is about 1881.6909917618.

The spelling of 6662618056 in words is "six billion, six hundred sixty-two million, six hundred eighteen thousand, fifty-six".