664464573146135 has 8 divisors (see below), whose sum is σ = 801404987714496. Its totient is φ = 528873325224160.

The previous prime is 664464573146131. The next prime is 664464573146203. The reversal of 664464573146135 is 531641375464466.

664464573146135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 664464573146135 - 2² = 664464573146131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664464573146131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337291660511 + ... + 337291662480.

It is an arithmetic number, because the mean of its divisors is an integer number (100175623464312).

Almost surely, 2^{664464573146135} is an apocalyptic number.

664464573146135 is a deficient number, since it is larger than the sum of its proper divisors (136940414568361).

664464573146135 is a wasteful number, since it uses less digits than its factorization.

664464573146135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674583323193.

The product of its digits is 522547200, while the sum is 65.

The spelling of 664464573146135 in words is "six hundred sixty-four trillion, four hundred sixty-four billion, five hundred seventy-three million, one hundred forty-six thousand, one hundred thirty-five".