66533052206 has 16 divisors (see below), whose sum is σ = 100172724624. Its totient is φ = 33142259904.

The previous prime is 66533052181. The next prime is 66533052233. The reversal of 66533052206 is 60225033566.

It is a self number, because there is not a number n which added to its sum of digits gives 66533052206.

It is a congruent number.

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, 1165916 + ... + 1221648.

It is an arithmetic number, because the mean of its divisors is an integer number (6260795289).

Almost surely, 2^66533052206 is an apocalyptic number.

66533052206 is a deficient number, since it is larger than the sum of its proper divisors (33639672418).

66533052206 is a wasteful number, since it uses less digits than its factorization.

66533052206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57955.

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 66533052206 in words is "sixty-six billion, five hundred thirty-three million, fifty-two thousand, two hundred six".