664000574806 has 8 divisors (see below), whose sum is σ = 1048421960280. Its totient is φ = 314526588048.

The previous prime is 664000574801. The next prime is 664000574857. The reversal of 664000574806 is 608475000466.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664000574801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8736849631 + ... + 8736849706.

It is an arithmetic number, because the mean of its divisors is an integer number (131052745035).

Almost surely, 2^664000574806 is an apocalyptic number.

664000574806 is a deficient number, since it is larger than the sum of its proper divisors (384421385474).

664000574806 is a wasteful number, since it uses less digits than its factorization.

664000574806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17473699358.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 664000574806 in words is "six hundred sixty-four billion, five hundred seventy-four thousand, eight hundred six".