16304845785120 has 144 divisors (see below), whose sum is σ = 55787096252160. Its totient is φ = 4336486543872.

The previous prime is 16304845785077. The next prime is 16304845785143. The reversal of 16304845785120 is 2158754840361.

It is a happy number.

16304845785120 is a `hidden beast` number, since 1 + 6 + 3 + 0 + 48 + 4 + 578 + 5 + 1 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14391984 + ... + 15483503.

It is an arithmetic number, because the mean of its divisors is an integer number (387410390640).

Almost surely, 2^{16304845785120} is an apocalyptic number.

16304845785120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16304845785120 is an abundant number, since it is smaller than the sum of its proper divisors (39482250467040).

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

16304845785120 is a wasteful number, since it uses less digits than its factorization.

16304845785120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29875887 (or 29875876 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 16304845785120 in words is "sixteen trillion, three hundred four billion, eight hundred forty-five million, seven hundred eighty-five thousand, one hundred twenty".