16611466126439 has 2 divisors, whose sum is σ = 16611466126440. Its totient is φ = 16611466126438.

The previous prime is 16611466126421. The next prime is 16611466126481. The reversal of 16611466126439 is 93462166411661.

It is a happy number.

16611466126439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16611466126439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16611466120439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8305733063219 + 8305733063220.

It is an arithmetic number, because the mean of its divisors is an integer number (8305733063220).

Almost surely, 2^{16611466126439} is an apocalyptic number.

16611466126439 is a deficient number, since it is larger than the sum of its proper divisors (1).

16611466126439 is an equidigital number, since it uses as much as digits as its factorization.

16611466126439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6718464, while the sum is 56.

The spelling of 16611466126439 in words is "sixteen trillion, six hundred eleven billion, four hundred sixty-six million, one hundred twenty-six thousand, four hundred thirty-nine".