6696408008 has 8 divisors (see below), whose sum is σ = 12555765030. Its totient is φ = 3348204000.

The previous prime is 6696408007. The next prime is 6696408011. The reversal of 6696408008 is 8008046966.

It can be written as a sum of positive squares in only one way, i.e., 6043196644 + 653211364 = 77738^2 + 25558^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (6696408007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418525493 + ... + 418525508.

Almost surely, 2^6696408008 is an apocalyptic number.

It is an amenable number.

6696408008 is a deficient number, since it is larger than the sum of its proper divisors (5859357022).

6696408008 is a wasteful number, since it uses less digits than its factorization.

6696408008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837051007 (or 837051003 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 6696408008 is about 81831.5831937767. The cubic root of 6696408008 is about 1884.8666734661.

The spelling of 6696408008 in words is "six billion, six hundred ninety-six million, four hundred eight thousand, eight".