2116650 has 48 divisors (see below), whose sum is σ = 5338944. Its totient is φ = 554880.

The previous prime is 2116633. The next prime is 2116651. The reversal of 2116650 is 566112.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2116651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15382 + ... + 15518.

It is an arithmetic number, because the mean of its divisors is an integer number (111228).

2^2116650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2116650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2669472).

2116650 is an abundant number, since it is smaller than the sum of its proper divisors (3222294).

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

2116650 is a wasteful number, since it uses less digits than its factorization.

2116650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2116650 is about 1454.8711283134. The cubic root of 2116650 is about 128.3954647518.

The spelling of 2116650 in words is "two million, one hundred sixteen thousand, six hundred fifty".