1606217427203 has 2 divisors, whose sum is σ = 1606217427204. Its totient is φ = 1606217427202.

The previous prime is 1606217427197. The next prime is 1606217427211. The reversal of 1606217427203 is 3027247126061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1606217427203 - 2³⁴ = 1589037558019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1606217427293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803108713601 + 803108713602.

It is an arithmetic number, because the mean of its divisors is an integer number (803108713602).

Almost surely, 2^{1606217427203} is an apocalyptic number.

1606217427203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606217427203 is an equidigital number, since it uses as much as digits as its factorization.

1606217427203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 1606217427203 in words is "one trillion, six hundred six billion, two hundred seventeen million, four hundred twenty-seven thousand, two hundred three".