2042166 has 16 divisors (see below), whose sum is σ = 4667904. Its totient is φ = 583464.

The previous prime is 2042153. The next prime is 2042171. The reversal of 2042166 is 6612402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24270 + ... + 24353.

It is an arithmetic number, because the mean of its divisors is an integer number (291744).

2^2042166 is an apocalyptic number.

2042166 is an abundant number, since it is smaller than the sum of its proper divisors (2625738).

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

2042166 is a wasteful number, since it uses less digits than its factorization.

2042166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48635.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2042166 is about 1429.0437362096. The cubic root of 2042166 is about 126.8713848695.

Adding to 2042166 its reverse (6612402), we get a palindrome (8654568).

The spelling of 2042166 in words is "two million, forty-two thousand, one hundred sixty-six".