3116557920 has 192 divisors, whose sum is σ = 11302018560. Its totient is φ = 707125248.

The previous prime is 3116557903. The next prime is 3116557931. The reversal of 3116557920 is 297556113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 463704 + ... + 470376.

It is an arithmetic number, because the mean of its divisors is an integer number (58864680).

Almost surely, 2^3116557920 is an apocalyptic number.

3116557920 is a gapful number since it is divisible by the number (30) 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 3116557920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5651009280).

3116557920 is an abundant number, since it is smaller than the sum of its proper divisors (8185460640).

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

3116557920 is a wasteful number, since it uses less digits than its factorization.

3116557920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6837 (or 6829 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 3116557920 is about 55826.1401137496. The cubic root of 3116557920 is about 1460.6911595886.

The spelling of 3116557920 in words is "three billion, one hundred sixteen million, five hundred fifty-seven thousand, nine hundred twenty".