6695669128 has 16 divisors (see below), whose sum is σ = 12606912000. Its totient is φ = 3333825936.

The previous prime is 6695669111. The next prime is 6695669143. The reversal of 6695669128 is 8219665966.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1749048 + ... + 1752871.

It is an arithmetic number, because the mean of its divisors is an integer number (787932000).

Almost surely, 2^6695669128 is an apocalyptic number.

It is an amenable number.

6695669128 is a deficient number, since it is larger than the sum of its proper divisors (5911242872).

6695669128 is a wasteful number, since it uses less digits than its factorization.

6695669128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502164 (or 3502160 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 58.

The square root of 6695669128 is about 81827.0684309294. The cubic root of 6695669128 is about 1884.7973456756.

The spelling of 6695669128 in words is "six billion, six hundred ninety-five million, six hundred sixty-nine thousand, one hundred twenty-eight".