16434246346443 has 12 divisors (see below), whose sum is σ = 24617554198328. Its totient is φ = 10956164230800.

The previous prime is 16434246346409. The next prime is 16434246346517. The reversal of 16434246346443 is 34464364243461.

It is a happy number.

16434246346443 is a `hidden beast` number, since 1 + 6 + 43 + 42 + 4 + 63 + 464 + 43 = 666.

It is not a de Polignac number, because 16434246346443 - 2²⁶ = 16434179237579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16434246346443.

It is not an unprimeable number, because it can be changed into a prime (16434246346403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33815321458 + ... + 33815321943.

Almost surely, 2^{16434246346443} is an apocalyptic number.

16434246346443 is a deficient number, since it is larger than the sum of its proper divisors (8183307851885).

16434246346443 is an frugal number, since it uses more digits than its factorization.

16434246346443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67630643416 (or 67630643404 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 54.

The spelling of 16434246346443 in words is "sixteen trillion, four hundred thirty-four billion, two hundred forty-six million, three hundred forty-six thousand, four hundred forty-three".