3123959616 has 112 divisors (see below), whose sum is σ = 9224467200. Its totient is φ = 1036717056.

The previous prime is 3123959609. The next prime is 3123959639. The reversal of 3123959616 is 6169593213.

3123959616 is a `hidden beast` number, since 3 + 1 + 23 + 9 + 5 + 9 + 616 = 666.

3123959616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 398745 + ... + 406503.

Almost surely, 2^3123959616 is an apocalyptic number.

3123959616 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 3123959616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4612233600).

3123959616 is an abundant number, since it is smaller than the sum of its proper divisors (6100507584).

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

3123959616 is a wasteful number, since it uses less digits than its factorization.

3123959616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8013 (or 7997 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 3123959616 is about 55892.3931854774. The cubic root of 3123959616 is about 1461.8466056969.

The spelling of 3123959616 in words is "three billion, one hundred twenty-three million, nine hundred fifty-nine thousand, six hundred sixteen".