66411146 has 8 divisors (see below), whose sum is σ = 105476580. Its totient is φ = 31252288.

The previous prime is 66411139. The next prime is 66411151. The reversal of 66411146 is 64111466.

It can be written as a sum of positive squares in 2 ways, for example, as 64176121 + 2235025 = 8011^2 + 1495^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976601 + ... + 976668.

Almost surely, 2^66411146 is an apocalyptic number.

66411146 is a deficient number, since it is larger than the sum of its proper divisors (39065434).

66411146 is a wasteful number, since it uses less digits than its factorization.

66411146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953288.

The product of its digits is 3456, while the sum is 29.

The square root of 66411146 is about 8149.3034058133. The cubic root of 66411146 is about 404.9614270026.

The spelling of 66411146 in words is "sixty-six million, four hundred eleven thousand, one hundred forty-six".