16718607037441 has 2 divisors, whose sum is σ = 16718607037442. Its totient is φ = 16718607037440.

The previous prime is 16718607037417. The next prime is 16718607037459. The reversal of 16718607037441 is 14473070681761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14604083897841 + 2114523139600 = 3821529^2 + 1454140^2 .

It is a cyclic number.

It is not a de Polignac number, because 16718607037441 - 2¹¹ = 16718607035393 is a prime.

It is not a weakly prime, because it can be changed into another prime (16718607037411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8359303518720 + 8359303518721.

It is an arithmetic number, because the mean of its divisors is an integer number (8359303518721).

Almost surely, 2^{16718607037441} is an apocalyptic number.

It is an amenable number.

16718607037441 is a deficient number, since it is larger than the sum of its proper divisors (1).

16718607037441 is an equidigital number, since it uses as much as digits as its factorization.

16718607037441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 16718607037441 in words is "sixteen trillion, seven hundred eighteen billion, six hundred seven million, thirty-seven thousand, four hundred forty-one".