664376470 has 16 divisors (see below), whose sum is σ = 1196279280. Its totient is φ = 265661344.

The previous prime is 664376441. The next prime is 664376533. The reversal of 664376470 is 74673466.

664376470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26004 + ... + 44776.

It is an arithmetic number, because the mean of its divisors is an integer number (74767455).

Almost surely, 2^664376470 is an apocalyptic number.

664376470 is a deficient number, since it is larger than the sum of its proper divisors (531902810).

664376470 is a wasteful number, since it uses less digits than its factorization.

664376470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22319.

The product of its (nonzero) digits is 508032, while the sum is 43.

The square root of 664376470 is about 25775.5013530290. The cubic root of 664376470 is about 872.5789815284.

The spelling of 664376470 in words is "six hundred sixty-four million, three hundred seventy-six thousand, four hundred seventy".