6666525041 has 16 divisors (see below), whose sum is σ = 7658188800. Its totient is φ = 5739368400.

The previous prime is 6666525031. The next prime is 6666525043. The reversal of 6666525041 is 1405256666.

It is a cyclic number.

It is not a de Polignac number, because 6666525041 - 2¹⁴ = 6666508657 is a prime.

It is a super-2 number, since 2×6666525041² = 88885112244560103362, which contains 22 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 6666525041.

It is not an unprimeable number, because it can be changed into a prime (6666525043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 855320 + ... + 863078.

It is an arithmetic number, because the mean of its divisors is an integer number (478636800).

Almost surely, 2^6666525041 is an apocalyptic number.

It is an amenable number.

6666525041 is a deficient number, since it is larger than the sum of its proper divisors (991663759).

6666525041 is a wasteful number, since it uses less digits than its factorization.

6666525041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11900.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 6666525041 is about 81648.7908116219. The cubic root of 6666525041 is about 1882.0587301822.

The spelling of 6666525041 in words is "six billion, six hundred sixty-six million, five hundred twenty-five thousand, forty-one".