664823030366 has 8 divisors (see below), whose sum is σ = 1087892231544. Its totient is φ = 302192286520.

The previous prime is 664823030351. The next prime is 664823030387. The reversal of 664823030366 is 663030328466.

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

It is a self number, because there is not a number n which added to its sum of digits gives 664823030366.

It is a congruent number.

It is an unprimeable number.

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, 15109614305 + ... + 15109614348.

It is an arithmetic number, because the mean of its divisors is an integer number (135986528943).

Almost surely, 2^664823030366 is an apocalyptic number.

664823030366 is a deficient number, since it is larger than the sum of its proper divisors (423069201178).

664823030366 is a wasteful number, since it uses less digits than its factorization.

664823030366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30219228666.

The product of its (nonzero) digits is 2239488, while the sum is 47.

The spelling of 664823030366 in words is "six hundred sixty-four billion, eight hundred twenty-three million, thirty thousand, three hundred sixty-six".