3261929216 has 216 divisors, whose sum is σ = 8289311184. Its totient is φ = 1269596160.

The previous prime is 3261929191. The next prime is 3261929227. The reversal of 3261929216 is 6129291623.

It is a congruent number.

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, 13534856 + ... + 13535096.

Almost surely, 2^3261929216 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 3261929216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4144655592).

3261929216 is an abundant number, since it is smaller than the sum of its proper divisors (5027381968).

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

3261929216 is a wasteful number, since it uses less digits than its factorization.

3261929216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 346 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 3261929216 is about 57113.3015680235. The cubic root of 3261929216 is about 1483.0581421177.

The spelling of 3261929216 in words is "three billion, two hundred sixty-one million, nine hundred twenty-nine thousand, two hundred sixteen".