16433324431434 has 12 divisors (see below), whose sum is σ = 35605536268146. Its totient is φ = 5477774810472.

The previous prime is 16433324431423. The next prime is 16433324431471. The reversal of 16433324431434 is 43413442333461.

It is a happy number.

16433324431434 is a `hidden beast` number, since 1 + 6 + 4 + 3 + 3 + 324 + 4 + 314 + 3 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16412245747209 + 21078684225 = 4051203^2 + 145185^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16433324431434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 456481234189 + ... + 456481234224.

Almost surely, 2^{16433324431434} is an apocalyptic number.

16433324431434 is an abundant number, since it is smaller than the sum of its proper divisors (19172211836712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16433324431434 is a wasteful number, since it uses less digits than its factorization.

16433324431434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912962468421 (or 912962468418 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 45.

Adding to 16433324431434 its reverse (43413442333461), we get a palindrome (59846766764895).

The spelling of 16433324431434 in words is "sixteen trillion, four hundred thirty-three billion, three hundred twenty-four million, four hundred thirty-one thousand, four hundred thirty-four".