6607908745665 has 8 divisors (see below), whose sum is σ = 10572653993088. Its totient is φ = 3524217997680.

The previous prime is 6607908745661. The next prime is 6607908745679. The reversal of 6607908745665 is 5665478097066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6607908745665 - 2² = 6607908745661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6607908745665.

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, 220263624841 + ... + 220263624870.

It is an arithmetic number, because the mean of its divisors is an integer number (1321581749136).

Almost surely, 2^{6607908745665} is an apocalyptic number.

It is an amenable number.

6607908745665 is a deficient number, since it is larger than the sum of its proper divisors (3964745247423).

6607908745665 is a wasteful number, since it uses less digits than its factorization.

6607908745665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440527249719.

The product of its (nonzero) digits is 457228800, while the sum is 69.

The spelling of 6607908745665 in words is "six trillion, six hundred seven billion, nine hundred eight million, seven hundred forty-five thousand, six hundred sixty-five".