2067566 has 4 divisors (see below), whose sum is σ = 3101352. Its totient is φ = 1033782.

The previous prime is 2067547. The next prime is 2067581. The reversal of 2067566 is 6657602.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516890 + ... + 516893.

It is an arithmetic number, because the mean of its divisors is an integer number (775338).

2^2067566 is an apocalyptic number.

2067566 is a deficient number, since it is larger than the sum of its proper divisors (1033786).

2067566 is a wasteful number, since it uses less digits than its factorization.

2067566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033785.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 2067566 is about 1437.9033347204. The cubic root of 2067566 is about 127.3952182823.

The spelling of 2067566 in words is "two million, sixty-seven thousand, five hundred sixty-six".