66324600676 has 6 divisors (see below), whose sum is σ = 116068051190. Its totient is φ = 33162300336.

The previous prime is 66324600557. The next prime is 66324600677. The reversal of 66324600676 is 67600642366.

It can be written as a sum of positive squares in only one way, i.e., 50928754276 + 15395846400 = 225674^2 + 124080^2 .

It is not an unprimeable number, because it can be changed into a prime (66324600677) by changing a digit.

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 as a sum of consecutive naturals, namely, 8290575081 + ... + 8290575088.

Almost surely, 2^66324600676 is an apocalyptic number.

It is an amenable number.

66324600676 is a deficient number, since it is larger than the sum of its proper divisors (49743450514).

66324600676 is a wasteful number, since it uses less digits than its factorization.

66324600676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16581150173 (or 16581150171 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 46.

The spelling of 66324600676 in words is "sixty-six billion, three hundred twenty-four million, six hundred thousand, six hundred seventy-six".