65160651660553 has 2 divisors, whose sum is σ = 65160651660554. Its totient is φ = 65160651660552.

The previous prime is 65160651660551. The next prime is 65160651660557. The reversal of 65160651660553 is 35506615606156.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45247039934464 + 19913611726089 = 6726592^2 + 4462467^2 .

It is a cyclic number.

It is not a de Polignac number, because 65160651660553 - 2¹ = 65160651660551 is a prime.

Together with 65160651660551, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 65160651660494 and 65160651660503.

It is not a weakly prime, because it can be changed into another prime (65160651660551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32580325830276 + 32580325830277.

It is an arithmetic number, because the mean of its divisors is an integer number (32580325830277).

Almost surely, 2^{65160651660553} is an apocalyptic number.

It is an amenable number.

65160651660553 is a deficient number, since it is larger than the sum of its proper divisors (1).

65160651660553 is an equidigital number, since it uses as much as digits as its factorization.

65160651660553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580000, while the sum is 55.

The spelling of 65160651660553 in words is "sixty-five trillion, one hundred sixty billion, six hundred fifty-one million, six hundred sixty thousand, five hundred fifty-three".