66036662308 has 6 divisors (see below), whose sum is σ = 115564159046. Its totient is φ = 33018331152.

The previous prime is 66036662297. The next prime is 66036662353. The reversal of 66036662308 is 80326663066.

It can be written as a sum of positive squares in only one way, i.e., 47575461924 + 18461200384 = 218118^2 + 135872^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8254582785 + ... + 8254582792.

Almost surely, 2^66036662308 is an apocalyptic number.

It is an amenable number.

66036662308 is a deficient number, since it is larger than the sum of its proper divisors (49527496738).

66036662308 is a wasteful number, since it uses less digits than its factorization.

66036662308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16509165581 (or 16509165579 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 46.

The spelling of 66036662308 in words is "sixty-six billion, thirty-six million, six hundred sixty-two thousand, three hundred eight".