66284411 has 8 divisors (see below), whose sum is σ = 70254864. Its totient is φ = 62321920.

The previous prime is 66284389. The next prime is 66284423. The reversal of 66284411 is 11448266.

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 66284411 - 2⁶ = 66284347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66284461) 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, 29711 + ... + 31863.

It is an arithmetic number, because the mean of its divisors is an integer number (8781858).

Almost surely, 2^66284411 is an apocalyptic number.

66284411 is a deficient number, since it is larger than the sum of its proper divisors (3970453).

66284411 is a wasteful number, since it uses less digits than its factorization.

66284411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981.

The product of its digits is 9216, while the sum is 32.

The square root of 66284411 is about 8141.5238745581. The cubic root of 66284411 is about 404.7036616961.

The spelling of 66284411 in words is "sixty-six million, two hundred eighty-four thousand, four hundred eleven".