66244824680248 has 16 divisors (see below), whose sum is σ = 124410357542880. Its totient is φ = 33068729335488.

The previous prime is 66244824680231. The next prime is 66244824680351. The reversal of 66244824680248 is 84208642844266.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 66244824680248.

It is a congruent 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, 6710370336 + ... + 6710380207.

It is an arithmetic number, because the mean of its divisors is an integer number (7775647346430).

Almost surely, 2^{66244824680248} is an apocalyptic number.

It is an amenable number.

66244824680248 is a deficient number, since it is larger than the sum of its proper divisors (58165532862632).

66244824680248 is a wasteful number, since it uses less digits than its factorization.

66244824680248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13420751166 (or 13420751162 counting only the distinct ones).

The product of its (nonzero) digits is 226492416, while the sum is 64.

The spelling of 66244824680248 in words is "sixty-six trillion, two hundred forty-four billion, eight hundred twenty-four million, six hundred eighty thousand, two hundred forty-eight".