1605055116 has 96 divisors (see below), whose sum is σ = 4470842880. Its totient is φ = 438580224.

The previous prime is 1605055091. The next prime is 1605055121. The reversal of 1605055116 is 6115505061.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178996 + ... + 187748.

It is an arithmetic number, because the mean of its divisors is an integer number (46571280).

Almost surely, 2^1605055116 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 1605055116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2235421440).

1605055116 is an abundant number, since it is smaller than the sum of its proper divisors (2865787764).

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

1605055116 is a wasteful number, since it uses less digits than its factorization.

1605055116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8863 (or 8861 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 1605055116 is about 40063.1391181470. The cubic root of 1605055116 is about 1170.8375710567.

The spelling of 1605055116 in words is "one billion, six hundred five million, fifty-five thousand, one hundred sixteen".