16481145984 has 96 divisors (see below), whose sum is σ = 46203809040. Its totient is φ = 5204528640.

The previous prime is 16481145977. The next prime is 16481146091. The reversal of 16481145984 is 48954118461.

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 11 ways as a sum of consecutive naturals, for example, 79179 + ... + 198069.

Almost surely, 2^16481145984 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 16481145984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23101904520).

16481145984 is an abundant number, since it is smaller than the sum of its proper divisors (29722663056).

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

16481145984 is a wasteful number, since it uses less digits than its factorization.

16481145984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118946 (or 118915 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 51.

The spelling of 16481145984 in words is "sixteen billion, four hundred eighty-one million, one hundred forty-five thousand, nine hundred eighty-four".