664585027 has 8 divisors (see below), whose sum is σ = 676454400. Its totient is φ = 652735944.

The previous prime is 664585013. The next prime is 664585039. The reversal of 664585027 is 720585466.

664585027 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-664585027 is a prime.

It is a super-2 number, since 2×664585027² = 883346516225181458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (664585007) 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, 71058 + ... + 79864.

It is an arithmetic number, because the mean of its divisors is an integer number (84556800).

Almost surely, 2^664585027 is an apocalyptic number.

664585027 is a deficient number, since it is larger than the sum of its proper divisors (11869373).

664585027 is a wasteful number, since it uses less digits than its factorization.

664585027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10145.

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 664585027 is about 25779.5466794899. The cubic root of 664585027 is about 872.6702768626.

The spelling of 664585027 in words is "six hundred sixty-four million, five hundred eighty-five thousand, twenty-seven".