2066680 has 96 divisors (see below), whose sum is σ = 5937120. Its totient is φ = 633600.

The previous prime is 2066653. The next prime is 2066681. The reversal of 2066680 is 866602.

It is a happy number.

2066680 is nontrivially palindromic in base 3.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33850 + ... + 33910.

It is an arithmetic number, because the mean of its divisors is an integer number (61845).

2^2066680 is an apocalyptic number.

2066680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2066680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2968560).

2066680 is an abundant number, since it is smaller than the sum of its proper divisors (3870440).

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

2066680 is a wasteful number, since it uses less digits than its factorization.

2066680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2066680 is about 1437.5952142380. The cubic root of 2066680 is about 127.3770184134.

It can be divided in two parts, 206 and 6680, that added together give a palindrome (6886).

The spelling of 2066680 in words is "two million, sixty-six thousand, six hundred eighty".