2016630 has 128 divisors (see below), whose sum is σ = 6773760. Its totient is φ = 414720.

The previous prime is 2016607. The next prime is 2016653. The reversal of 2016630 is 366102.

It is a happy number.

2016630 is a `hidden beast` number, since 2 + 0 + 1 + 663 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2016607) and next prime (2016653).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 20742 + ... + 20838.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2^2016630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2016630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3386880).

2016630 is an abundant number, since it is smaller than the sum of its proper divisors (4757130).

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

2016630 is a wasteful number, since it uses less digits than its factorization.

2016630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2016630 is about 1420.0809836062. The cubic root of 2016630 is about 126.3403496651.

The spelling of 2016630 in words is "two million, sixteen thousand, six hundred thirty".