16080461021 has 2 divisors, whose sum is σ = 16080461022. Its totient is φ = 16080461020.

The previous prime is 16080460997. The next prime is 16080461071. The reversal of 16080461021 is 12016408061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12862735396 + 3217725625 = 113414^2 + 56725^2 .

It is a cyclic number.

It is not a de Polignac number, because 16080461021 - 2¹⁴ = 16080444637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16080461071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8040230510 + 8040230511.

It is an arithmetic number, because the mean of its divisors is an integer number (8040230511).

Almost surely, 2^16080461021 is an apocalyptic number.

It is an amenable number.

16080461021 is a deficient number, since it is larger than the sum of its proper divisors (1).

16080461021 is an equidigital number, since it uses as much as digits as its factorization.

16080461021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

Adding to 16080461021 its reverse (12016408061), we get a palindrome (28096869082).

The spelling of 16080461021 in words is "sixteen billion, eighty million, four hundred sixty-one thousand, twenty-one".