6566274041 has 4 divisors (see below), whose sum is σ = 6574903284. Its totient is φ = 6557644800.

The previous prime is 6566274019. The next prime is 6566274101. The reversal of 6566274041 is 1404726656.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 506430016 + 6059844025 = 22504^2 + 77845^2 .

It is a cyclic number.

It is not a de Polignac number, because 6566274041 - 2⁶ = 6566273977 is a prime.

It is a super-3 number, since 3×6566274041³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6566274041.

It is not an unprimeable number, because it can be changed into a prime (6566274241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4313480 + ... + 4315001.

It is an arithmetic number, because the mean of its divisors is an integer number (1643725821).

Almost surely, 2^6566274041 is an apocalyptic number.

It is an amenable number.

6566274041 is a deficient number, since it is larger than the sum of its proper divisors (8629243).

6566274041 is an equidigital number, since it uses as much as digits as its factorization.

6566274041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8629242.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 6566274041 is about 81032.5492687969. The cubic root of 6566274041 is about 1872.5769272194.

The spelling of 6566274041 in words is "six billion, five hundred sixty-six million, two hundred seventy-four thousand, forty-one".