16080015934561 has 2 divisors, whose sum is σ = 16080015934562. Its totient is φ = 16080015934560.

The previous prime is 16080015934517. The next prime is 16080015934649. The reversal of 16080015934561 is 16543951008061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10621367793936 + 5458648140625 = 3259044^2 + 2336375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16080015934561 is a prime.

It is not a weakly prime, because it can be changed into another prime (16080015934511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8040007967280 + 8040007967281.

It is an arithmetic number, because the mean of its divisors is an integer number (8040007967281).

Almost surely, 2^{16080015934561} is an apocalyptic number.

It is an amenable number.

16080015934561 is a deficient number, since it is larger than the sum of its proper divisors (1).

16080015934561 is an equidigital number, since it uses as much as digits as its factorization.

16080015934561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 16080015934561 in words is "sixteen trillion, eighty billion, fifteen million, nine hundred thirty-four thousand, five hundred sixty-one".