16442781048 has 96 divisors (see below), whose sum is σ = 45397357200. Its totient is φ = 5375337984.

The previous prime is 16442781037. The next prime is 16442781049. The reversal of 16442781048 is 84018724461.

16442781048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×16442781048³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16442780994 and 16442781012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442781049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 932086 + ... + 949562.

Almost surely, 2^16442781048 is an apocalyptic number.

16442781048 is a gapful number since it is divisible by the number (18) 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 16442781048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22698678600).

16442781048 is an abundant number, since it is smaller than the sum of its proper divisors (28954576152).

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

16442781048 is a wasteful number, since it uses less digits than its factorization.

16442781048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17741 (or 17734 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 16442781048 in words is "sixteen billion, four hundred forty-two million, seven hundred eighty-one thousand, forty-eight".