6661852411 has 8 divisors (see below), whose sum is σ = 7055253504. Its totient is φ = 6277097640.

The previous prime is 6661852403. The next prime is 6661852429. The reversal of 6661852411 is 1142581666.

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

It is a cyclic number.

It is not a de Polignac number, because 6661852411 - 2³ = 6661852403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6661852481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2159995 + ... + 2163076.

It is an arithmetic number, because the mean of its divisors is an integer number (881906688).

Almost surely, 2^6661852411 is an apocalyptic number.

6661852411 is a deficient number, since it is larger than the sum of its proper divisors (393401093).

6661852411 is a wasteful number, since it uses less digits than its factorization.

6661852411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323161.

The product of its digits is 69120, while the sum is 40.

The square root of 6661852411 is about 81620.1715937917. The cubic root of 6661852411 is about 1881.6189098626.

The spelling of 6661852411 in words is "six billion, six hundred sixty-one million, eight hundred fifty-two thousand, four hundred eleven".