66205343350 has 12 divisors (see below), whose sum is σ = 123141938724. Its totient is φ = 26482137320.

The previous prime is 66205343341. The next prime is 66205343353. The reversal of 66205343350 is 5334350266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66205343353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 662053384 + ... + 662053483.

It is an arithmetic number, because the mean of its divisors is an integer number (10261828227).

Almost surely, 2^66205343350 is an apocalyptic number.

66205343350 is a deficient number, since it is larger than the sum of its proper divisors (56936595374).

66205343350 is a wasteful number, since it uses less digits than its factorization.

66205343350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324106879 (or 1324106874 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 37.

The spelling of 66205343350 in words is "sixty-six billion, two hundred five million, three hundred forty-three thousand, three hundred fifty".