6566126652249 has 8 divisors (see below), whose sum is σ = 8758128076320. Its totient is φ = 4375771498176.

The previous prime is 6566126652223. The next prime is 6566126652251. The reversal of 6566126652249 is 9422566216656.

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

It is not a de Polignac number, because 6566126652249 - 2²⁴ = 6566109875033 is a prime.

It is a super-2 number, since 2×6566126652249² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6566126652192 and 6566126652201.

It is not an unprimeable number, because it can be changed into a prime (6566126652259) 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, 411558192 + ... + 411574145.

It is an arithmetic number, because the mean of its divisors is an integer number (1094766009540).

Almost surely, 2^{6566126652249} is an apocalyptic number.

It is an amenable number.

6566126652249 is a deficient number, since it is larger than the sum of its proper divisors (2192001424071).

6566126652249 is a wasteful number, since it uses less digits than its factorization.

6566126652249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823134999.

The product of its digits is 55987200, while the sum is 60.

The spelling of 6566126652249 in words is "six trillion, five hundred sixty-six billion, one hundred twenty-six million, six hundred fifty-two thousand, two hundred forty-nine".