221604341641003 has 2 divisors, whose sum is σ = 221604341641004. Its totient is φ = 221604341641002.

The previous prime is 221604341640989. The next prime is 221604341641051. The reversal of 221604341641003 is 300146143406122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221604341641003 - 2¹³ = 221604341632811 is a prime.

It is not a weakly prime, because it can be changed into another prime (221604341641073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110802170820501 + 110802170820502.

It is an arithmetic number, because the mean of its divisors is an integer number (110802170820502).

Almost surely, 2^{221604341641003} is an apocalyptic number.

221604341641003 is a deficient number, since it is larger than the sum of its proper divisors (1).

221604341641003 is an equidigital number, since it uses as much as digits as its factorization.

221604341641003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 221604341641003 in words is "two hundred twenty-one trillion, six hundred four billion, three hundred forty-one million, six hundred forty-one thousand, three".