6665592522625 has 32 divisors (see below), whose sum is σ = 8348976589824. Its totient is φ = 5313073968000.

The previous prime is 6665592522607. The next prime is 6665592522629. The reversal of 6665592522625 is 5262252955666.

It is not a de Polignac number, because 6665592522625 - 2⁵ = 6665592522593 is a prime.

It is a super-2 number, since 2×6665592522625² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6665592522629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39388944 + ... + 39557806.

It is an arithmetic number, because the mean of its divisors is an integer number (260905518432).

Almost surely, 2^{6665592522625} is an apocalyptic number.

It is an amenable number.

6665592522625 is a deficient number, since it is larger than the sum of its proper divisors (1683384067199).

6665592522625 is a wasteful number, since it uses less digits than its factorization.

6665592522625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170026 (or 170016 counting only the distinct ones).

The product of its digits is 116640000, while the sum is 61.

The spelling of 6665592522625 in words is "six trillion, six hundred sixty-five billion, five hundred ninety-two million, five hundred twenty-two thousand, six hundred twenty-five".