664333333466 has 8 divisors (see below), whose sum is σ = 1087090909344. Its totient is φ = 301969697020.

The previous prime is 664333333427. The next prime is 664333333481.

It is a happy number.

664333333466 is nontrivially palindromic in base 10.

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

It is a Curzon number.

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, 15098484830 + ... + 15098484873.

It is an arithmetic number, because the mean of its divisors is an integer number (135886363668).

Almost surely, 2^664333333466 is an apocalyptic number.

664333333466 is a deficient number, since it is larger than the sum of its proper divisors (422757575878).

664333333466 is a wasteful number, since it uses less digits than its factorization.

664333333466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30196969716.

The product of its digits is 15116544, while the sum is 50.

It can be divided in two parts, 664333 and 333466, that added together give a palindrome (997799).

The spelling of 664333333466 in words is "six hundred sixty-four billion, three hundred thirty-three million, three hundred thirty-three thousand, four hundred sixty-six".