16315633541 has 2 divisors, whose sum is σ = 16315633542. Its totient is φ = 16315633540.

The previous prime is 16315633483. The next prime is 16315633559. The reversal of 16315633541 is 14533651361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9629300641 + 6686332900 = 98129^2 + 81770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16315633541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16315633495 and 16315633504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16315633571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8157816770 + 8157816771.

It is an arithmetic number, because the mean of its divisors is an integer number (8157816771).

Almost surely, 2^16315633541 is an apocalyptic number.

It is an amenable number.

16315633541 is a deficient number, since it is larger than the sum of its proper divisors (1).

16315633541 is an equidigital number, since it uses as much as digits as its factorization.

16315633541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 38.

The spelling of 16315633541 in words is "sixteen billion, three hundred fifteen million, six hundred thirty-three thousand, five hundred forty-one".