16433321377344 has 56 divisors (see below), whose sum is σ = 44192613598848. Its totient is φ = 5387974218240.

The previous prime is 16433321377337. The next prime is 16433321377349. The reversal of 16433321377344 is 44377312333461.

It is not an unprimeable number, because it can be changed into a prime (16433321377349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701547432 + ... + 701570855.

Almost surely, 2^{16433321377344} is an apocalyptic number.

It is an amenable number.

16433321377344 is an abundant number, since it is smaller than the sum of its proper divisors (27759292221504).

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

16433321377344 is a wasteful number, since it uses less digits than its factorization.

16433321377344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403118363 (or 1403118353 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 51.

The spelling of 16433321377344 in words is "sixteen trillion, four hundred thirty-three billion, three hundred twenty-one million, three hundred seventy-seven thousand, three hundred forty-four".