16355089785941 has 2 divisors, whose sum is σ = 16355089785942. Its totient is φ = 16355089785940.

The previous prime is 16355089785929. The next prime is 16355089786001. The reversal of 16355089785941 is 14958798055361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15934986178225 + 420103607716 = 3991865^2 + 648154^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16355089785941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16355089785241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8177544892970 + 8177544892971.

It is an arithmetic number, because the mean of its divisors is an integer number (8177544892971).

Almost surely, 2^{16355089785941} is an apocalyptic number.

It is an amenable number.

16355089785941 is a deficient number, since it is larger than the sum of its proper divisors (1).

16355089785941 is an equidigital number, since it uses as much as digits as its factorization.

16355089785941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592000, while the sum is 71.

The spelling of 16355089785941 in words is "sixteen trillion, three hundred fifty-five billion, eighty-nine million, seven hundred eighty-five thousand, nine hundred forty-one".