66410151312313 has 2 divisors, whose sum is σ = 66410151312314. Its totient is φ = 66410151312312.

The previous prime is 66410151312299. The next prime is 66410151312347. The reversal of 66410151312313 is 31321315101466.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50041872144784 + 16368279167529 = 7074028^2 + 4045773^2 .

It is a cyclic number.

It is not a de Polignac number, because 66410151312313 - 2¹³ = 66410151304121 is a prime.

It is not a weakly prime, because it can be changed into another prime (66410151312353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33205075656156 + 33205075656157.

It is an arithmetic number, because the mean of its divisors is an integer number (33205075656157).

Almost surely, 2^{66410151312313} is an apocalyptic number.

It is an amenable number.

66410151312313 is a deficient number, since it is larger than the sum of its proper divisors (1).

66410151312313 is an equidigital number, since it uses as much as digits as its factorization.

66410151312313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

Adding to 66410151312313 its reverse (31321315101466), we get a palindrome (97731466413779).

The spelling of 66410151312313 in words is "sixty-six trillion, four hundred ten billion, one hundred fifty-one million, three hundred twelve thousand, three hundred thirteen".