66327072118253 has 2 divisors, whose sum is σ = 66327072118254. Its totient is φ = 66327072118252.

The previous prime is 66327072118213. The next prime is 66327072118319. The reversal of 66327072118253 is 35281127072366.

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., 65060146284169 + 1266925834084 = 8065987^2 + 1125578^2 .

It is a cyclic number.

It is not a de Polignac number, because 66327072118253 - 2¹² = 66327072114157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66327072118195 and 66327072118204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66327072118213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33163536059126 + 33163536059127.

It is an arithmetic number, because the mean of its divisors is an integer number (33163536059127).

Almost surely, 2^{66327072118253} is an apocalyptic number.

It is an amenable number.

66327072118253 is a deficient number, since it is larger than the sum of its proper divisors (1).

66327072118253 is an equidigital number, since it uses as much as digits as its factorization.

66327072118253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 66327072118253 in words is "sixty-six trillion, three hundred twenty-seven billion, seventy-two million, one hundred eighteen thousand, two hundred fifty-three".