16855741224 has 256 divisors, whose sum is σ = 56540160000. Its totient is φ = 4550370048.

The previous prime is 16855741207. The next prime is 16855741229. The reversal of 16855741224 is 42214755861.

16855741224 is a `hidden beast` number, since 1 + 68 + 5 + 574 + 12 + 2 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 16855741224.

It is not an unprimeable number, because it can be changed into a prime (16855741229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2056767 + ... + 2064945.

It is an arithmetic number, because the mean of its divisors is an integer number (220860000).

Almost surely, 2^16855741224 is an apocalyptic number.

16855741224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16855741224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28270080000).

16855741224 is an abundant number, since it is smaller than the sum of its proper divisors (39684418776).

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

16855741224 is a wasteful number, since it uses less digits than its factorization.

16855741224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8277 (or 8267 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The spelling of 16855741224 in words is "sixteen billion, eight hundred fifty-five million, seven hundred forty-one thousand, two hundred twenty-four".