6606557486775 has 48 divisors (see below), whose sum is σ = 12137648140800. Its totient is φ = 3523161322080.

The previous prime is 6606557486729. The next prime is 6606557486807. The reversal of 6606557486775 is 5776847556066.

It is a happy number.

6606557486775 is a `hidden beast` number, since 6 + 6 + 0 + 6 + 557 + 4 + 8 + 67 + 7 + 5 = 666.

It is not a de Polignac number, because 6606557486775 - 2⁷ = 6606557486647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6698356 + ... + 7621094.

It is an arithmetic number, because the mean of its divisors is an integer number (252867669600).

Almost surely, 2^{6606557486775} is an apocalyptic number.

6606557486775 is a deficient number, since it is larger than the sum of its proper divisors (5531090654025).

6606557486775 is a wasteful number, since it uses less digits than its factorization.

6606557486775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933365 (or 933354 counting only the distinct ones).

The product of its (nonzero) digits is 1778112000, while the sum is 72.

The spelling of 6606557486775 in words is "six trillion, six hundred six billion, five hundred fifty-seven million, four hundred eighty-six thousand, seven hundred seventy-five".