16456312541 has 2 divisors, whose sum is σ = 16456312542. Its totient is φ = 16456312540.

The previous prime is 16456312531. The next prime is 16456312559. The reversal of 16456312541 is 14521365461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9492410041 + 6963902500 = 97429^2 + 83450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16456312541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16456312495 and 16456312504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16456312531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8228156270 + 8228156271.

It is an arithmetic number, because the mean of its divisors is an integer number (8228156271).

Almost surely, 2^16456312541 is an apocalyptic number.

It is an amenable number.

16456312541 is a deficient number, since it is larger than the sum of its proper divisors (1).

16456312541 is an equidigital number, since it uses as much as digits as its factorization.

16456312541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 38.

The spelling of 16456312541 in words is "sixteen billion, four hundred fifty-six million, three hundred twelve thousand, five hundred forty-one".