66676605700050 has 72 divisors (see below), whose sum is σ = 179427213460560. Its totient is φ = 17751703672800.

The previous prime is 66676605700039. The next prime is 66676605700079. The reversal of 66676605700050 is 5000750667666.

It is a self number, because there is not a number n which added to its sum of digits gives 66676605700050.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 119406616 + ... + 119963715.

Almost surely, 2^{66676605700050} is an apocalyptic number.

66676605700050 is an abundant number, since it is smaller than the sum of its proper divisors (112750607760510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66676605700050 is a wasteful number, since it uses less digits than its factorization.

66676605700050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239370968 (or 239370960 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 54.

The spelling of 66676605700050 in words is "sixty-six trillion, six hundred seventy-six billion, six hundred five million, seven hundred thousand, fifty".