16019258244 has 72 divisors (see below), whose sum is σ = 41347482624. Its totient is φ = 4823332800.

The previous prime is 16019258243. The next prime is 16019258249. The reversal of 16019258244 is 44285291061.

It is a junction number, because it is equal to n+sod(n) for n = 16019258196 and 16019258205.

It is not an unprimeable number, because it can be changed into a prime (16019258243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192829 + ... + 263099.

It is an arithmetic number, because the mean of its divisors is an integer number (574270592).

Almost surely, 2^16019258244 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 16019258244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20673741312).

16019258244 is an abundant number, since it is smaller than the sum of its proper divisors (25328224380).

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

16019258244 is a wasteful number, since it uses less digits than its factorization.

16019258244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70457 (or 70444 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 16019258244 in words is "sixteen billion, nineteen million, two hundred fifty-eight thousand, two hundred forty-four".