1067666 has 8 divisors (see below), whose sum is σ = 1607040. Its totient is φ = 531988.

The previous prime is 1067653. The next prime is 1067669. The reversal of 1067666 is 6667601.

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

It is a super-2 number, since 2×1067666² = 2279821375112, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1067669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26 + ... + 1461.

It is an arithmetic number, because the mean of its divisors is an integer number (200880).

2^1067666 is an apocalyptic number.

1067666 is a deficient number, since it is larger than the sum of its proper divisors (539374).

1067666 is a wasteful number, since it uses less digits than its factorization.

1067666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1067666 is about 1033.2792458963. The cubic root of 1067666 is about 102.2064892996.

It can be divided in two parts, 10 and 67666, that added together give a palindrome (67676).

The spelling of 1067666 in words is "one million, sixty-seven thousand, six hundred sixty-six".