2066518 has 8 divisors (see below), whose sum is σ = 3106512. Its totient is φ = 1031016.

The previous prime is 2066509. The next prime is 2066521. The reversal of 2066518 is 8156602.

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

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 3 ways as a sum of consecutive naturals, for example, 496 + ... + 2092.

It is an arithmetic number, because the mean of its divisors is an integer number (388314).

2^2066518 is an apocalyptic number.

2066518 is a deficient number, since it is larger than the sum of its proper divisors (1039994).

2066518 is a wasteful number, since it uses less digits than its factorization.

2066518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2066518 is about 1437.5388690397. The cubic root of 2066518 is about 127.3736901097.

It can be divided in two parts, 206 and 6518, that added together give a square (6724 = 82²).

The spelling of 2066518 in words is "two million, sixty-six thousand, five hundred eighteen".