16351648541 has 2 divisors, whose sum is σ = 16351648542. Its totient is φ = 16351648540.

The previous prime is 16351648531. The next prime is 16351648561. The reversal of 16351648541 is 14584615361.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8717956900 + 7633691641 = 93370^2 + 87371^2 .

It is a cyclic number.

It is not a de Polignac number, because 16351648541 - 2⁶ = 16351648477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16351648492 and 16351648501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16351648531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8175824270 + 8175824271.

It is an arithmetic number, because the mean of its divisors is an integer number (8175824271).

Almost surely, 2^16351648541 is an apocalyptic number.

It is an amenable number.

16351648541 is a deficient number, since it is larger than the sum of its proper divisors (1).

16351648541 is an equidigital number, since it uses as much as digits as its factorization.

16351648541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 44.

The spelling of 16351648541 in words is "sixteen billion, three hundred fifty-one million, six hundred forty-eight thousand, five hundred forty-one".