664733337466 has 96 divisors (see below), whose sum is σ = 1144147834368. Its totient is φ = 289111680000.

The previous prime is 664733337421. The next prime is 664733337517.

It is a happy number.

664733337466 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 664733337466.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 307603426 + ... + 307605586.

It is an arithmetic number, because the mean of its divisors is an integer number (11918206608).

Almost surely, 2^664733337466 is an apocalyptic number.

664733337466 is a deficient number, since it is larger than the sum of its proper divisors (479414496902).

664733337466 is a wasteful number, since it uses less digits than its factorization.

664733337466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660 (or 2649 counting only the distinct ones).

The product of its digits is 82301184, while the sum is 58.

The spelling of 664733337466 in words is "six hundred sixty-four billion, seven hundred thirty-three million, three hundred thirty-seven thousand, four hundred sixty-six".