6696606128 has 40 divisors (see below), whose sum is σ = 13118803200. Its totient is φ = 3311219520.

The previous prime is 6696606121. The next prime is 6696606139. The reversal of 6696606128 is 8216066966.

It is not an unprimeable number, because it can be changed into a prime (6696606121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1077173 + ... + 1083371.

It is an arithmetic number, because the mean of its divisors is an integer number (327970080).

Almost surely, 2^6696606128 is an apocalyptic number.

It is an amenable number.

6696606128 is a deficient number, since it is larger than the sum of its proper divisors (6422197072).

6696606128 is a wasteful number, since it uses less digits than its factorization.

6696606128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6945 (or 6939 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 6696606128 is about 81832.7937198774. The cubic root of 6696606128 is about 1884.8852618447.

The spelling of 6696606128 in words is "six billion, six hundred ninety-six million, six hundred six thousand, one hundred twenty-eight".