664585413 has 8 divisors (see below), whose sum is σ = 886325568. Its totient is φ = 442951104.

The previous prime is 664585349. The next prime is 664585429. The reversal of 664585413 is 314585466.

664585413 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 664585413 - 2⁶ = 664585349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664585463) 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, 10420 + ... + 37917.

It is an arithmetic number, because the mean of its divisors is an integer number (110790696).

Almost surely, 2^664585413 is an apocalyptic number.

It is an amenable number.

664585413 is a deficient number, since it is larger than the sum of its proper divisors (221740155).

664585413 is a wasteful number, since it uses less digits than its factorization.

664585413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52923.

The product of its digits is 345600, while the sum is 42.

The square root of 664585413 is about 25779.5541660441. The cubic root of 664585413 is about 872.6704458155.

The spelling of 664585413 in words is "six hundred sixty-four million, five hundred eighty-five thousand, four hundred thirteen".