16444256411600 has 120 divisors (see below), whose sum is σ = 39725939439648. Its totient is φ = 6541335360000.

The previous prime is 16444256411591. The next prime is 16444256411603. The reversal of 16444256411600 is 611465244461.

It is a super-2 number, since 2×16444256411600² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16444256411603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177332447 + ... + 177425153.

Almost surely, 2^{16444256411600} is an apocalyptic number.

16444256411600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16444256411600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19862969719824).

16444256411600 is an abundant number, since it is smaller than the sum of its proper divisors (23281683028048).

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

16444256411600 is a wasteful number, since it uses less digits than its factorization.

16444256411600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95173 (or 95162 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 16444256411600 in words is "sixteen trillion, four hundred forty-four billion, two hundred fifty-six million, four hundred eleven thousand, six hundred".