66152625313 has 2 divisors, whose sum is σ = 66152625314. Its totient is φ = 66152625312.

The previous prime is 66152625311. The next prime is 66152625391. The reversal of 66152625313 is 31352625166.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50405638144 + 15746987169 = 224512^2 + 125487^2 .

It is a cyclic number.

It is not a de Polignac number, because 66152625313 - 2¹ = 66152625311 is a prime.

Together with 66152625311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (66152625311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33076312656 + 33076312657.

It is an arithmetic number, because the mean of its divisors is an integer number (33076312657).

Almost surely, 2^66152625313 is an apocalyptic number.

It is an amenable number.

66152625313 is a deficient number, since it is larger than the sum of its proper divisors (1).

66152625313 is an equidigital number, since it uses as much as digits as its factorization.

66152625313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 40.

The spelling of 66152625313 in words is "sixty-six billion, one hundred fifty-two million, six hundred twenty-five thousand, three hundred thirteen".