2066142 has 16 divisors (see below), whose sum is σ = 4450320. Its totient is φ = 635712.

The previous prime is 2066137. The next prime is 2066149. The reversal of 2066142 is 2416602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13167 + ... + 13322.

It is an arithmetic number, because the mean of its divisors is an integer number (278145).

2^2066142 is an apocalyptic number.

2066142 is an abundant number, since it is smaller than the sum of its proper divisors (2384178).

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

2066142 is a wasteful number, since it uses less digits than its factorization.

2066142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26507.

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

The square root of 2066142 is about 1437.4080840179. The cubic root of 2066142 is about 127.3659644874.

The spelling of 2066142 in words is "two million, sixty-six thousand, one hundred forty-two".