1066606 has 4 divisors (see below), whose sum is σ = 1599912. Its totient is φ = 533302.

The previous prime is 1066577. The next prime is 1066619. The reversal of 1066606 is 6066601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6066601 = 347 ⋅17483.

It is a super-2 number, since 2×1066606² = 2275296718472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266650 + ... + 266653.

It is an arithmetic number, because the mean of its divisors is an integer number (399978).

2^1066606 is an apocalyptic number.

1066606 is a deficient number, since it is larger than the sum of its proper divisors (533306).

1066606 is an equidigital number, since it uses as much as digits as its factorization.

1066606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533305.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1066606 is about 1032.7661884473. The cubic root of 1066606 is about 102.1726538891.

The spelling of 1066606 in words is "one million, sixty-six thousand, six hundred six".