664141065041 has 24 divisors (see below), whose sum is σ = 710909437440. Its totient is φ = 620302636800.

The previous prime is 664141065031. The next prime is 664141065067. The reversal of 664141065041 is 140560141466.

It is not a de Polignac number, because 664141065041 - 2²⁶ = 664073956177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 664141064986 and 664141065004.

It is not an unprimeable number, because it can be changed into a prime (664141065031) 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 23 ways as a sum of consecutive naturals, for example, 23224490 + ... + 23253068.

It is an arithmetic number, because the mean of its divisors is an integer number (29621226560).

Almost surely, 2^664141065041 is an apocalyptic number.

It is an amenable number.

664141065041 is a deficient number, since it is larger than the sum of its proper divisors (46768372399).

664141065041 is a wasteful number, since it uses less digits than its factorization.

664141065041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29225 (or 29208 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 664141065041 in words is "six hundred sixty-four billion, one hundred forty-one million, sixty-five thousand, forty-one".