65106606006555 has 16 divisors (see below), whose sum is σ = 108699724811520. Its totient is φ = 33213804803168.

The previous prime is 65106606006553. The next prime is 65106606006643. The reversal of 65106606006555 is 55560060660156.

It is a cyclic number.

It is not a de Polignac number, because 65106606006555 - 2¹ = 65106606006553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65106606006498 and 65106606006507.

It is not an unprimeable number, because it can be changed into a prime (65106606006553) 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, 94357399665 + ... + 94357400354.

It is an arithmetic number, because the mean of its divisors is an integer number (6793732800720).

Almost surely, 2^{65106606006555} is an apocalyptic number.

65106606006555 is a deficient number, since it is larger than the sum of its proper divisors (43593118804965).

65106606006555 is a wasteful number, since it uses less digits than its factorization.

65106606006555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188714800050.

The product of its (nonzero) digits is 4860000, while the sum is 51.

The spelling of 65106606006555 in words is "sixty-five trillion, one hundred six billion, six hundred six million, six thousand, five hundred fifty-five".