66306472201 has 4 divisors (see below), whose sum is σ = 66676899600. Its totient is φ = 65936044804.

The previous prime is 66306472153. The next prime is 66306472217. The reversal of 66306472201 is 10227460366.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66306472201 - 2⁹ = 66306471689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66306470201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185213431 + ... + 185213788.

It is an arithmetic number, because the mean of its divisors is an integer number (16669224900).

Almost surely, 2^66306472201 is an apocalyptic number.

It is an amenable number.

66306472201 is a deficient number, since it is larger than the sum of its proper divisors (370427399).

66306472201 is a wasteful number, since it uses less digits than its factorization.

66306472201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370427398.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 66306472201 in words is "sixty-six billion, three hundred six million, four hundred seventy-two thousand, two hundred one".