2016125550 has 72 divisors (see below), whose sum is σ = 5423090400. Its totient is φ = 536995200.

The previous prime is 2016125543. The next prime is 2016125561. The reversal of 2016125550 is 555216102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 469915 + ... + 474185.

It is an arithmetic number, because the mean of its divisors is an integer number (75320700).

Almost surely, 2^2016125550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2016125550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2711545200).

2016125550 is an abundant number, since it is smaller than the sum of its proper divisors (3406964850).

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

2016125550 is a wasteful number, since it uses less digits than its factorization.

2016125550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5338 (or 5330 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 2016125550 is about 44901.2867298923. The cubic root of 2016125550 is about 1263.2981431585.

The spelling of 2016125550 in words is "two billion, sixteen million, one hundred twenty-five thousand, five hundred fifty".