60665466161381 has 2 divisors, whose sum is σ = 60665466161382. Its totient is φ = 60665466161380.

The previous prime is 60665466161359. The next prime is 60665466161431. The reversal of 60665466161381 is 18316166456606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36789489608356 + 23875976553025 = 6065434^2 + 4886305^2 .

It is a cyclic number.

It is not a de Polignac number, because 60665466161381 - 2⁶ = 60665466161317 is a prime.

It is a super-2 number, since 2×60665466161381² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 60665466161381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60665466161281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30332733080690 + 30332733080691.

It is an arithmetic number, because the mean of its divisors is an integer number (30332733080691).

Almost surely, 2^{60665466161381} is an apocalyptic number.

It is an amenable number.

60665466161381 is a deficient number, since it is larger than the sum of its proper divisors (1).

60665466161381 is an equidigital number, since it uses as much as digits as its factorization.

60665466161381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22394880, while the sum is 59.

The spelling of 60665466161381 in words is "sixty trillion, six hundred sixty-five billion, four hundred sixty-six million, one hundred sixty-one thousand, three hundred eighty-one".