66563203023008 has 24 divisors (see below), whose sum is σ = 131258698706772. Its totient is φ = 33227660494336.

The previous prime is 66563203022963. The next prime is 66563203023011. The reversal of 66563203023008 is 80032030236566.

It can be written as a sum of positive squares in 2 ways, for example, as 64103914146064 + 2459288876944 = 8006492^2 + 1568212^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 66563203023008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1685636735 + ... + 1685676222.

Almost surely, 2^{66563203023008} is an apocalyptic number.

It is an amenable number.

66563203023008 is a deficient number, since it is larger than the sum of its proper divisors (64695495683764).

66563203023008 is a wasteful number, since it uses less digits than its factorization.

66563203023008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371313584 (or 3371313576 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 66563203023008 in words is "sixty-six trillion, five hundred sixty-three billion, two hundred three million, twenty-three thousand, eight".