65660151606149 has 2 divisors, whose sum is σ = 65660151606150. Its totient is φ = 65660151606148.

The previous prime is 65660151606103. The next prime is 65660151606167. The reversal of 65660151606149 is 94160615106656.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62691398484100 + 2968753122049 = 7917790^2 + 1723007^2 .

It is a cyclic number.

It is not a de Polignac number, because 65660151606149 - 2¹² = 65660151602053 is a prime.

It is a super-2 number, since 2×65660151606149² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65660151606094 and 65660151606103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65660151606949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32830075803074 + 32830075803075.

It is an arithmetic number, because the mean of its divisors is an integer number (32830075803075).

Almost surely, 2^{65660151606149} is an apocalyptic number.

It is an amenable number.

65660151606149 is a deficient number, since it is larger than the sum of its proper divisors (1).

65660151606149 is an equidigital number, since it uses as much as digits as its factorization.

65660151606149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6998400, while the sum is 56.

The spelling of 65660151606149 in words is "sixty-five trillion, six hundred sixty billion, one hundred fifty-one million, six hundred six thousand, one hundred forty-nine".