66065970306 has 64 divisors (see below), whose sum is σ = 151887052800. Its totient is φ = 18766364736.

The previous prime is 66065970241. The next prime is 66065970319. The reversal of 66065970306 is 60307956066.

66065970306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6549775 + ... + 6559853.

It is an arithmetic number, because the mean of its divisors is an integer number (2373235200).

Almost surely, 2^66065970306 is an apocalyptic number.

66065970306 is an abundant number, since it is smaller than the sum of its proper divisors (85821082494).

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

66065970306 is a wasteful number, since it uses less digits than its factorization.

66065970306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10983.

The product of its (nonzero) digits is 1224720, while the sum is 48.

The spelling of 66065970306 in words is "sixty-six billion, sixty-five million, nine hundred seventy thousand, three hundred six".