66203343802 has 16 divisors (see below), whose sum is σ = 100931095872. Its totient is φ = 32561751040.

The previous prime is 66203343799. The next prime is 66203343827. The reversal of 66203343802 is 20834330266.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463303 + ... + 589114.

It is an arithmetic number, because the mean of its divisors is an integer number (6308193492).

Almost surely, 2^66203343802 is an apocalyptic number.

66203343802 is a deficient number, since it is larger than the sum of its proper divisors (34727752070).

66203343802 is a wasteful number, since it uses less digits than its factorization.

66203343802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052933.

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 66203343802 in words is "sixty-six billion, two hundred three million, three hundred forty-three thousand, eight hundred two".