6665137270017 has 16 divisors (see below), whose sum is σ = 9030365420160. Its totient is φ = 4372196562432.

The previous prime is 6665137269979. The next prime is 6665137270073. The reversal of 6665137270017 is 7100727315666.

It is not a de Polignac number, because 6665137270017 - 2¹⁸ = 6665137007873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6665137271017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66146917 + ... + 66247602.

It is an arithmetic number, because the mean of its divisors is an integer number (564397838760).

Almost surely, 2^{6665137270017} is an apocalyptic number.

It is an amenable number.

6665137270017 is a deficient number, since it is larger than the sum of its proper divisors (2365228150143).

6665137270017 is a wasteful number, since it uses less digits than its factorization.

6665137270017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132394792.

The product of its (nonzero) digits is 2222640, while the sum is 51.

The spelling of 6665137270017 in words is "six trillion, six hundred sixty-five billion, one hundred thirty-seven million, two hundred seventy thousand, seventeen".