16442615546243 has 2 divisors, whose sum is σ = 16442615546244. Its totient is φ = 16442615546242.

The previous prime is 16442615546197. The next prime is 16442615546353. The reversal of 16442615546243 is 34264551624461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16442615546243 - 2⁸ = 16442615545987 is a prime.

It is a super-3 number, since 3×16442615546243³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (16442615506243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8221307773121 + 8221307773122.

It is an arithmetic number, because the mean of its divisors is an integer number (8221307773122).

Almost surely, 2^{16442615546243} is an apocalyptic number.

16442615546243 is a deficient number, since it is larger than the sum of its proper divisors (1).

16442615546243 is an equidigital number, since it uses as much as digits as its factorization.

16442615546243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16588800, while the sum is 53.

The spelling of 16442615546243 in words is "sixteen trillion, four hundred forty-two billion, six hundred fifteen million, five hundred forty-six thousand, two hundred forty-three".