16434044155256 has 96 divisors (see below), whose sum is σ = 38153430489600. Its totient is φ = 6497913052800.

The previous prime is 16434044155129. The next prime is 16434044155271. The reversal of 16434044155256 is 65255144043461.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17320781 + ... + 18244931.

It is an arithmetic number, because the mean of its divisors is an integer number (397431567600).

Almost surely, 2^{16434044155256} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16434044155256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19076715244800).

16434044155256 is an abundant number, since it is smaller than the sum of its proper divisors (21719386334344).

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

16434044155256 is a wasteful number, since it uses less digits than its factorization.

16434044155256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926069 (or 926052 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 50.

The spelling of 16434044155256 in words is "sixteen trillion, four hundred thirty-four billion, forty-four million, one hundred fifty-five thousand, two hundred fifty-six".