16481558240 has 96 divisors (see below), whose sum is σ = 45703030464. Its totient is φ = 5498081280.

The previous prime is 16481558221. The next prime is 16481558263. The reversal of 16481558240 is 4285518461.

16481558240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16481558191 and 16481558200.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 157421 + ... + 240300.

It is an arithmetic number, because the mean of its divisors is an integer number (476073234).

Almost surely, 2^16481558240 is an apocalyptic number.

16481558240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16481558240 is an abundant number, since it is smaller than the sum of its proper divisors (29221472224).

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

16481558240 is a wasteful number, since it uses less digits than its factorization.

16481558240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397780 (or 397772 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 44.

The spelling of 16481558240 in words is "sixteen billion, four hundred eighty-one million, five hundred fifty-eight thousand, two hundred forty".