6665320604 has 24 divisors (see below), whose sum is σ = 12430430208. Its totient is φ = 3119935280.

The previous prime is 6665320603. The next prime is 6665320619. The reversal of 6665320604 is 4060235666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665320603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766412 + ... + 775059.

It is an arithmetic number, because the mean of its divisors is an integer number (517934592).

Almost surely, 2^6665320604 is an apocalyptic number.

It is an amenable number.

6665320604 is a deficient number, since it is larger than the sum of its proper divisors (5765109604).

6665320604 is a wasteful number, since it uses less digits than its factorization.

6665320604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541545 (or 1541543 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 6665320604 is about 81641.4147599121. The cubic root of 6665320604 is about 1881.9453798892.

The spelling of 6665320604 in words is "six billion, six hundred sixty-five million, three hundred twenty thousand, six hundred four".