6604366106321 has 2 divisors, whose sum is σ = 6604366106322. Its totient is φ = 6604366106320.

The previous prime is 6604366106269. The next prime is 6604366106389. The reversal of 6604366106321 is 1236016634066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6553927684096 + 50438422225 = 2560064^2 + 224585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6604366106321 is a prime.

It is not a weakly prime, because it can be changed into another prime (6604366105321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3302183053160 + 3302183053161.

It is an arithmetic number, because the mean of its divisors is an integer number (3302183053161).

Almost surely, 2^{6604366106321} is an apocalyptic number.

It is an amenable number.

6604366106321 is a deficient number, since it is larger than the sum of its proper divisors (1).

6604366106321 is an equidigital number, since it uses as much as digits as its factorization.

6604366106321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 6604366106321 in words is "six trillion, six hundred four billion, three hundred sixty-six million, one hundred six thousand, three hundred twenty-one".