65600005550647 has 2 divisors, whose sum is σ = 65600005550648. Its totient is φ = 65600005550646.

The previous prime is 65600005550627. The next prime is 65600005550683. The reversal of 65600005550647 is 74605550000656.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65600005550647 - 2¹¹ = 65600005548599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65600005550647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65600005550627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32800002775323 + 32800002775324.

It is an arithmetic number, because the mean of its divisors is an integer number (32800002775324).

Almost surely, 2^{65600005550647} is an apocalyptic number.

65600005550647 is a deficient number, since it is larger than the sum of its proper divisors (1).

65600005550647 is an equidigital number, since it uses as much as digits as its factorization.

65600005550647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780000, while the sum is 49.

The spelling of 65600005550647 in words is "sixty-five trillion, six hundred billion, five million, five hundred fifty thousand, six hundred forty-seven".