665414174241 has 6 divisors (see below), whose sum is σ = 961153807250. Its totient is φ = 443609449488.

The previous prime is 665414174231. The next prime is 665414174263. The reversal of 665414174241 is 142471414566.

665414174241 is a `hidden beast` number, since 6 + 65 + 414 + 174 + 2 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 370460909025 + 294953265216 = 608655^2 + 543096^2 .

It is not a de Polignac number, because 665414174241 - 2⁶ = 665414174177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (665414174221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36967454116 + ... + 36967454133.

Almost surely, 2^665414174241 is an apocalyptic number.

It is an amenable number.

665414174241 is a deficient number, since it is larger than the sum of its proper divisors (295739633009).

665414174241 is a wasteful number, since it uses less digits than its factorization.

665414174241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73934908255 (or 73934908252 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 665414174241 in words is "six hundred sixty-five billion, four hundred fourteen million, one hundred seventy-four thousand, two hundred forty-one".