3266505216 has 240 divisors, whose sum is σ = 10485995520. Its totient is φ = 972103680.

The previous prime is 3266505197. The next prime is 3266505233. The reversal of 3266505216 is 6125056623.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 1856145 + ... + 1857903.

It is an arithmetic number, because the mean of its divisors is an integer number (43691648).

Almost surely, 2^3266505216 is an apocalyptic number.

3266505216 is a gapful number since it is divisible by the number (36) 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 3266505216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5242997760).

3266505216 is an abundant number, since it is smaller than the sum of its proper divisors (7219490304).

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

3266505216 is a wasteful number, since it uses less digits than its factorization.

3266505216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827 (or 1808 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 3266505216 is about 57153.3482483747. The cubic root of 3266505216 is about 1483.7513211753.

The spelling of 3266505216 in words is "three billion, two hundred sixty-six million, five hundred five thousand, two hundred sixteen".