66411466 has 8 divisors (see below), whose sum is σ = 108673344. Its totient is φ = 30187020.

The previous prime is 66411437. The next prime is 66411467.

66411466 is nontrivially palindromic in base 10.

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

It is not an unprimeable number, because it can be changed into a prime (66411467) 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 3 ways as a sum of consecutive naturals, for example, 1509330 + ... + 1509373.

It is an arithmetic number, because the mean of its divisors is an integer number (13584168).

Almost surely, 2^66411466 is an apocalyptic number.

66411466 is a deficient number, since it is larger than the sum of its proper divisors (42261878).

66411466 is a wasteful number, since it uses less digits than its factorization.

66411466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018716.

The product of its digits is 20736, while the sum is 34.

The square root of 66411466 is about 8149.3230393696. The cubic root of 66411466 is about 404.9620774328.

The spelling of 66411466 in words is "sixty-six million, four hundred eleven thousand, four hundred sixty-six".