6566126652250 has 64 divisors (see below), whose sum is σ = 14198002475904. Its totient is φ = 2247230496000.

The previous prime is 6566126652223. The next prime is 6566126652251. The reversal of 6566126652250 is 522566216656.

It is a super-2 number, since 2×6566126652250² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6566126652251) 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, 70179204 + ... + 70272703.

It is an arithmetic number, because the mean of its divisors is an integer number (221843788686).

Almost surely, 2^{6566126652250} is an apocalyptic number.

6566126652250 is an abundant number, since it is smaller than the sum of its proper divisors (7631875823654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6566126652250 is a wasteful number, since it uses less digits than its factorization.

6566126652250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140451952 (or 140451942 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 52.

The spelling of 6566126652250 in words is "six trillion, five hundred sixty-six billion, one hundred twenty-six million, six hundred fifty-two thousand, two hundred fifty".