3216305152 has 44 divisors (see below), whose sum is σ = 6442154640. Its totient is φ = 1604980736.

The previous prime is 3216305143. The next prime is 3216305201. The reversal of 3216305152 is 2515036123.

3216305152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3216305152.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567549 + ... + 573187.

Almost surely, 2^3216305152 is an apocalyptic number.

3216305152 is a gapful number since it is divisible by the number (32) 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 3216305152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3221077320).

3216305152 is an abundant number, since it is smaller than the sum of its proper divisors (3225849488).

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

3216305152 is an equidigital number, since it uses as much as digits as its factorization.

3216305152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216 (or 6198 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 3216305152 is about 56712.4779215298. The cubic root of 3216305152 is about 1476.1112226858. Note that the first 3 decimals are identical.

The spelling of 3216305152 in words is "three billion, two hundred sixteen million, three hundred five thousand, one hundred fifty-two".