3120911616 has 72 divisors (see below), whose sum is σ = 8331949024. Its totient is φ = 1037076480.

The previous prime is 3120911593. The next prime is 3120911623. The reversal of 3120911616 is 6161190213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248070 + ... + 260346.

Almost surely, 2^3120911616 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 3120911616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4165974512).

3120911616 is an abundant number, since it is smaller than the sum of its proper divisors (5211037408).

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

3120911616 is a wasteful number, since it uses less digits than its factorization.

3120911616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12627 (or 12613 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 3120911616 is about 55865.1198512990. The cubic root of 3120911616 is about 1461.3710171373.

The spelling of 3120911616 in words is "three billion, one hundred twenty million, nine hundred eleven thousand, six hundred sixteen".