66304106047 has 4 divisors (see below), whose sum is σ = 66308687280. Its totient is φ = 66299524816.

The previous prime is 66304106039. The next prime is 66304106053. The reversal of 66304106047 is 74060140366.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66304106047 - 2³ = 66304106039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66304105997 and 66304106015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66304106017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2268838 + ... + 2297875.

It is an arithmetic number, because the mean of its divisors is an integer number (16577171820).

Almost surely, 2^66304106047 is an apocalyptic number.

66304106047 is a deficient number, since it is larger than the sum of its proper divisors (4581233).

66304106047 is a wasteful number, since it uses less digits than its factorization.

66304106047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581232.

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

The spelling of 66304106047 in words is "sixty-six billion, three hundred four million, one hundred six thousand, forty-seven".