64648333384646 has 32 divisors (see below), whose sum is σ = 109302272591616. Its totient is φ = 28425087964000.

The previous prime is 64648333384639. The next prime is 64648333384651.

64648333384646 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390371720 + ... + 390537291.

It is an arithmetic number, because the mean of its divisors is an integer number (3415696018488).

Almost surely, 2^{64648333384646} is an apocalyptic number.

64648333384646 is a deficient number, since it is larger than the sum of its proper divisors (44653939206970).

64648333384646 is a wasteful number, since it uses less digits than its factorization.

64648333384646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780909148.

The product of its digits is 1719926784, while the sum is 68.

The spelling of 64648333384646 in words is "sixty-four trillion, six hundred forty-eight billion, three hundred thirty-three million, three hundred eighty-four thousand, six hundred forty-six".