664054134317 has 32 divisors (see below), whose sum is σ = 845133502464. Its totient is φ = 508644864000.

The previous prime is 664054134313. The next prime is 664054134361. The reversal of 664054134317 is 713431450466.

It is not a de Polignac number, because 664054134317 - 2² = 664054134313 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 (664054134313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1502684 + ... + 1893717.

It is an arithmetic number, because the mean of its divisors is an integer number (26410421952).

Almost surely, 2^664054134317 is an apocalyptic number.

It is an amenable number.

664054134317 is a deficient number, since it is larger than the sum of its proper divisors (181079368147).

664054134317 is a wasteful number, since it uses less digits than its factorization.

664054134317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396509.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 664054134317 in words is "six hundred sixty-four billion, fifty-four million, one hundred thirty-four thousand, three hundred seventeen".