664002242200466 has 8 divisors (see below), whose sum is σ = 1072619006631564. Its totient is φ = 306462573323280.

The previous prime is 664002242200421. The next prime is 664002242200471.

It is a happy number.

664002242200466 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 573956775186025 + 90045467014441 = 23957395^2 + 9489229^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12769273888445 + ... + 12769273888496.

Almost surely, 2^{664002242200466} is an apocalyptic number.

664002242200466 is a deficient number, since it is larger than the sum of its proper divisors (408616764431098).

664002242200466 is a wasteful number, since it uses less digits than its factorization.

664002242200466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25538547776956.

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 664002242200466 in words is "six hundred sixty-four trillion, two billion, two hundred forty-two million, two hundred thousand, four hundred sixty-six".