664560536566341 has 16 divisors (see below), whose sum is σ = 887388935179968. Its totient is φ = 442386640819200.

The previous prime is 664560536566291. The next prime is 664560536566357. The reversal of 664560536566341 is 143665635065466.

664560536566341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 664560536566341 - 2²⁷ = 664560402348613 is a prime.

It is a super-2 number, since 2×664560536566341² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664560536566391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42357340 + ... + 55886181.

It is an arithmetic number, because the mean of its divisors is an integer number (55461808448748).

Almost surely, 2^{664560536566341} is an apocalyptic number.

It is an amenable number.

664560536566341 is a deficient number, since it is larger than the sum of its proper divisors (222828398613627).

664560536566341 is a wasteful number, since it uses less digits than its factorization.

664560536566341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98246852.

The product of its (nonzero) digits is 839808000, while the sum is 66.

The spelling of 664560536566341 in words is "six hundred sixty-four trillion, five hundred sixty billion, five hundred thirty-six million, five hundred sixty-six thousand, three hundred forty-one".