16719255541 has 2 divisors, whose sum is σ = 16719255542. Its totient is φ = 16719255540.

The previous prime is 16719255491. The next prime is 16719255547. The reversal of 16719255541 is 14555291761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11429748100 + 5289507441 = 106910^2 + 72729^2 .

It is a cyclic number.

It is not a de Polignac number, because 16719255541 - 2¹¹ = 16719253493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16719255491 and 16719255500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16719255547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8359627770 + 8359627771.

It is an arithmetic number, because the mean of its divisors is an integer number (8359627771).

Almost surely, 2^16719255541 is an apocalyptic number.

It is an amenable number.

16719255541 is a deficient number, since it is larger than the sum of its proper divisors (1).

16719255541 is an equidigital number, since it uses as much as digits as its factorization.

16719255541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 46.

The spelling of 16719255541 in words is "sixteen billion, seven hundred nineteen million, two hundred fifty-five thousand, five hundred forty-one".