16197469728 has 96 divisors (see below), whose sum is σ = 46862141760. Its totient is φ = 4857692160.

The previous prime is 16197469709. The next prime is 16197469741. The reversal of 16197469728 is 82796479161.

It is a tau number, because it is divible by the number of its divisors (96).

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, 23368 + ... + 181496.

It is an arithmetic number, because the mean of its divisors is an integer number (488147310).

Almost surely, 2^16197469728 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 16197469728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23431070880).

16197469728 is an abundant number, since it is smaller than the sum of its proper divisors (30664672032).

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

16197469728 is a wasteful number, since it uses less digits than its factorization.

16197469728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158250 (or 158242 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 60.

The spelling of 16197469728 in words is "sixteen billion, one hundred ninety-seven million, four hundred sixty-nine thousand, seven hundred twenty-eight".