16204271641 has 2 divisors, whose sum is σ = 16204271642. Its totient is φ = 16204271640.

The previous prime is 16204271593. The next prime is 16204271647. The reversal of 16204271641 is 14617240261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16204271616 + 25 = 127296^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 16204271641 - 2¹⁷ = 16204140569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16204271597 and 16204271606.

It is not a weakly prime, because it can be changed into another prime (16204271647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8102135820 + 8102135821.

It is an arithmetic number, because the mean of its divisors is an integer number (8102135821).

Almost surely, 2^16204271641 is an apocalyptic number.

It is an amenable number.

16204271641 is a deficient number, since it is larger than the sum of its proper divisors (1).

16204271641 is an equidigital number, since it uses as much as digits as its factorization.

16204271641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 16204271641 in words is "sixteen billion, two hundred four million, two hundred seventy-one thousand, six hundred forty-one".