664885000835 has 8 divisors (see below), whose sum is σ = 870394910256. Its totient is φ = 483552727840.

The previous prime is 664885000823. The next prime is 664885000853. The reversal of 664885000835 is 538000588466.

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

It is not a de Polignac number, because 664885000835 - 2¹² = 664884996739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6044409044 + ... + 6044409153.

It is an arithmetic number, because the mean of its divisors is an integer number (108799363782).

Almost surely, 2^664885000835 is an apocalyptic number.

664885000835 is a deficient number, since it is larger than the sum of its proper divisors (205509909421).

664885000835 is a wasteful number, since it uses less digits than its factorization.

664885000835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12088818213.

The product of its (nonzero) digits is 5529600, while the sum is 53.

The spelling of 664885000835 in words is "six hundred sixty-four billion, eight hundred eighty-five million, eight hundred thirty-five", and thus it is an aban number.