65600005550656 has 14 divisors (see below), whose sum is σ = 130175011014710. Its totient is φ = 32800002775296.

The previous prime is 65600005550647. The next prime is 65600005550683. The reversal of 65600005550656 is 65605550000656.

It can be written as a sum of positive squares in only one way, i.e., 49976642581056 + 15623362969600 = 7069416^2 + 3952640^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512500043301 + ... + 512500043428.

Almost surely, 2^{65600005550656} is an apocalyptic number.

It is an amenable number.

65600005550656 is a deficient number, since it is larger than the sum of its proper divisors (64575005464054).

65600005550656 is a wasteful number, since it uses less digits than its factorization.

65600005550656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025000086741 (or 1025000086731 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 49.

The spelling of 65600005550656 in words is "sixty-five trillion, six hundred billion, five million, five hundred fifty thousand, six hundred fifty-six".