66224460422047 has 16 divisors (see below), whose sum is σ = 67108675849600. Its totient is φ = 65345779607040.

The previous prime is 66224460422027. The next prime is 66224460422059. The reversal of 66224460422047 is 74022406442266.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66224460422047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66224460422027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27194647 + ... + 29529607.

It is an arithmetic number, because the mean of its divisors is an integer number (4194292240600).

Almost surely, 2^{66224460422047} is an apocalyptic number.

66224460422047 is a deficient number, since it is larger than the sum of its proper divisors (884215427553).

66224460422047 is a wasteful number, since it uses less digits than its factorization.

66224460422047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336146.

The product of its (nonzero) digits is 6193152, while the sum is 49.

The spelling of 66224460422047 in words is "sixty-six trillion, two hundred twenty-four billion, four hundred sixty million, four hundred twenty-two thousand, forty-seven".