6607908745664 has 56 divisors (see below), whose sum is σ = 13177762214400. Its totient is φ = 3287553632000.

The previous prime is 6607908745661. The next prime is 6607908745679. The reversal of 6607908745664 is 4665478097066.

It is a junction number, because it is equal to n+sod(n) for n = 6607908745594 and 6607908745603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6607908745661) 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, 16167377 + ... + 16571055.

It is an arithmetic number, because the mean of its divisors is an integer number (235317182400).

Almost surely, 2^{6607908745664} is an apocalyptic number.

6607908745664 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6607908745664 is a deficient number, since it is larger than the sum of its proper divisors (6569853468736).

6607908745664 is a wasteful number, since it uses less digits than its factorization.

6607908745664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404961 (or 404951 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 68.

The spelling of 6607908745664 in words is "six trillion, six hundred seven billion, nine hundred eight million, seven hundred forty-five thousand, six hundred sixty-four".