16253823744 has 144 divisors (see below), whose sum is σ = 48129577440. Its totient is φ = 5410713600.

The previous prime is 16253823727. The next prime is 16253823757. The reversal of 16253823744 is 44732835261.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 16253823744.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8549194 + ... + 8551094.

Almost surely, 2^16253823744 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 16253823744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24064788720).

16253823744 is an abundant number, since it is smaller than the sum of its proper divisors (31875753696).

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

16253823744 is a wasteful number, since it uses less digits than its factorization.

16253823744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163 (or 3143 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 16253823744 in words is "sixteen billion, two hundred fifty-three million, eight hundred twenty-three thousand, seven hundred forty-four".