3155244216 has 64 divisors (see below), whose sum is σ = 8095157280. Its totient is φ = 1024235520.

The previous prime is 3155244203. The next prime is 3155244221. The reversal of 3155244216 is 6124425513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604530 + ... + 609726.

Almost surely, 2^3155244216 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 3155244216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4047578640).

3155244216 is an abundant number, since it is smaller than the sum of its proper divisors (4939913064).

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

3155244216 is a wasteful number, since it uses less digits than its factorization.

3155244216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864 (or 5860 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 3155244216 is about 56171.5605622632. The cubic root of 3155244216 is about 1466.7102479704.

Adding to 3155244216 its reverse (6124425513), we get a palindrome (9279669729).

The spelling of 3155244216 in words is "three billion, one hundred fifty-five million, two hundred forty-four thousand, two hundred sixteen".