664060306 has 16 divisors (see below), whose sum is σ = 1225957824. Its totient is φ = 262705104.

The previous prime is 664060289. The next prime is 664060339. The reversal of 664060306 is 603060466.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1824160 + ... + 1824523.

It is an arithmetic number, because the mean of its divisors is an integer number (76622364).

Almost surely, 2^664060306 is an apocalyptic number.

664060306 is a deficient number, since it is larger than the sum of its proper divisors (561897518).

664060306 is a wasteful number, since it uses less digits than its factorization.

664060306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648705.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 664060306 is about 25769.3675902223. The cubic root of 664060306 is about 872.4405450410.

The spelling of 664060306 in words is "six hundred sixty-four million, sixty thousand, three hundred six".