2040166 has 8 divisors (see below), whose sum is σ = 3068784. Its totient is φ = 1017240.

The previous prime is 2040151. The next prime is 2040167. The reversal of 2040166 is 6610402.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040167) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 370 + ... + 2053.

It is an arithmetic number, because the mean of its divisors is an integer number (383598).

2^2040166 is an apocalyptic number.

2040166 is a deficient number, since it is larger than the sum of its proper divisors (1028618).

2040166 is a wasteful number, since it uses less digits than its factorization.

2040166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2040166 is about 1428.3437961499. The cubic root of 2040166 is about 126.8299540800.

Adding to 2040166 its reverse (6610402), we get a palindrome (8650568).

It can be divided in two parts, 20 and 40166, that added together give a triangular number (40186 = T₂₈₃).

The spelling of 2040166 in words is "two million, forty thousand, one hundred sixty-six".