610911912 has 128 divisors (see below), whose sum is σ = 1714608000. Its totient is φ = 180096000.

The previous prime is 610911911. The next prime is 610911919. The reversal of 610911912 is 219119016.

It is a self number, because there is not a number n which added to its sum of digits gives 610911912.

It is not an unprimeable number, because it can be changed into a prime (610911911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2270914 + ... + 2271182.

It is an arithmetic number, because the mean of its divisors is an integer number (13395375).

Almost surely, 2^610911912 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 610911912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (857304000).

610911912 is an abundant number, since it is smaller than the sum of its proper divisors (1103696088).

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

610911912 is a wasteful number, since it uses less digits than its factorization.

610911912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 30.

The square root of 610911912 is about 24716.6322948738. The cubic root of 610911912 is about 848.5150136351.

The spelling of 610911912 in words is "six hundred ten million, nine hundred eleven thousand, nine hundred twelve".