306663416221604 has 12 divisors (see below), whose sum is σ = 577942592110044. Its totient is φ = 141536961333024.

The previous prime is 306663416221601. The next prime is 306663416221609. The reversal of 306663416221604 is 406122614366603.

It can be written as a sum of positive squares in 2 ways, for example, as 154082618652004 + 152580797569600 = 12413002^2 + 12352360^2 .

It is not an unprimeable number, because it can be changed into a prime (306663416221601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2948686694387 + ... + 2948686694490.

It is an arithmetic number, because the mean of its divisors is an integer number (48161882675837).

Almost surely, 2^{306663416221604} is an apocalyptic number.

It is an amenable number.

306663416221604 is a deficient number, since it is larger than the sum of its proper divisors (271279175888440).

306663416221604 is a wasteful number, since it uses less digits than its factorization.

306663416221604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5897373388894 (or 5897373388892 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 50.

The spelling of 306663416221604 in words is "three hundred six trillion, six hundred sixty-three billion, four hundred sixteen million, two hundred twenty-one thousand, six hundred four".