2011662 has 16 divisors (see below), whose sum is σ = 4470480. Its totient is φ = 670536.

The previous prime is 2011657. The next prime is 2011673. The reversal of 2011662 is 2661102.

It is a happy number.

2011662 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 662 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18573 + ... + 18680.

It is an arithmetic number, because the mean of its divisors is an integer number (279405).

2^2011662 is an apocalyptic number.

2011662 is an abundant number, since it is smaller than the sum of its proper divisors (2458818).

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

2011662 is a wasteful number, since it uses less digits than its factorization.

2011662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37264 (or 37258 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2011662 is about 1418.3307089674. The cubic root of 2011662 is about 126.2365172021.

Adding to 2011662 its reverse (2661102), we get a palindrome (4672764).

The spelling of 2011662 in words is "two million, eleven thousand, six hundred sixty-two".