16193086381543 has 2 divisors, whose sum is σ = 16193086381544. Its totient is φ = 16193086381542.

The previous prime is 16193086381519. The next prime is 16193086381583. The reversal of 16193086381543 is 34518368039161.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16193086381543 is a prime.

It is a super-2 number, since 2×16193086381543² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16193086381513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8096543190771 + 8096543190772.

It is an arithmetic number, because the mean of its divisors is an integer number (8096543190772).

Almost surely, 2^{16193086381543} is an apocalyptic number.

16193086381543 is a deficient number, since it is larger than the sum of its proper divisors (1).

16193086381543 is an equidigital number, since it uses as much as digits as its factorization.

16193086381543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 16193086381543 in words is "sixteen trillion, one hundred ninety-three billion, eighty-six million, three hundred eighty-one thousand, five hundred forty-three".