665272336345303 has 2 divisors, whose sum is σ = 665272336345304. Its totient is φ = 665272336345302.

The previous prime is 665272336345291. The next prime is 665272336345363. The reversal of 665272336345303 is 303543633272566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 665272336345303 - 2⁵ = 665272336345271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (665272336345363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332636168172651 + 332636168172652.

It is an arithmetic number, because the mean of its divisors is an integer number (332636168172652).

Almost surely, 2^{665272336345303} is an apocalyptic number.

665272336345303 is a deficient number, since it is larger than the sum of its proper divisors (1).

665272336345303 is an equidigital number, since it uses as much as digits as its factorization.

665272336345303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 146966400, while the sum is 58.

The spelling of 665272336345303 in words is "six hundred sixty-five trillion, two hundred seventy-two billion, three hundred thirty-six million, three hundred forty-five thousand, three hundred three".