2112666 has 8 divisors (see below), whose sum is σ = 4225344. Its totient is φ = 704220.

The previous prime is 2112631. The next prime is 2112683. The reversal of 2112666 is 6662112.

It is a sphenic number, since it is the product of 3 distinct primes.

2112666 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176050 + ... + 176061.

It is an arithmetic number, because the mean of its divisors is an integer number (528168).

2^2112666 is an apocalyptic number.

2112666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2112666 is a wasteful number, since it uses less digits than its factorization.

2112666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352116.

The product of its digits is 864, while the sum is 24.

The square root of 2112666 is about 1453.5012899891. The cubic root of 2112666 is about 128.3148580064.

Adding to 2112666 its reverse (6662112), we get a palindrome (8774778).

The spelling of 2112666 in words is "two million, one hundred twelve thousand, six hundred sixty-six".