66563301206 has 8 divisors (see below), whose sum is σ = 99850343544. Its totient is φ = 33279853360.

The previous prime is 66563301187. The next prime is 66563301209. The reversal of 66563301206 is 60210336566.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 66563301206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66563301209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851840 + ... + 926691.

It is an arithmetic number, because the mean of its divisors is an integer number (12481292943).

Almost surely, 2^66563301206 is an apocalyptic number.

66563301206 is a deficient number, since it is larger than the sum of its proper divisors (33287042338).

66563301206 is a wasteful number, since it uses less digits than its factorization.

66563301206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797246.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 66563301206 in words is "sixty-six billion, five hundred sixty-three million, three hundred one thousand, two hundred six".