1608522216 has 192 divisors, whose sum is σ = 4962830400. Its totient is φ = 431972352.

The previous prime is 1608522211. The next prime is 1608522233. The reversal of 1608522216 is 6122258061.

1608522216 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1608522211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4312206 + ... + 4312578.

It is an arithmetic number, because the mean of its divisors is an integer number (25848075).

Almost surely, 2^1608522216 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 1608522216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2481415200).

1608522216 is an abundant number, since it is smaller than the sum of its proper divisors (3354308184).

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

1608522216 is a wasteful number, since it uses less digits than its factorization.

1608522216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1608522216 is about 40106.3862246401. The cubic root of 1608522216 is about 1171.6800118088.

The spelling of 1608522216 in words is "one billion, six hundred eight million, five hundred twenty-two thousand, two hundred sixteen".