1075666 has 8 divisors (see below), whose sum is σ = 1698480. Its totient is φ = 509508.

The previous prime is 1075663. The next prime is 1075667. The reversal of 1075666 is 6665701.

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

It is not an unprimeable number, because it can be changed into a prime (1075663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14116 + ... + 14191.

It is an arithmetic number, because the mean of its divisors is an integer number (212310).

2^1075666 is an apocalyptic number.

1075666 is a deficient number, since it is larger than the sum of its proper divisors (622814).

1075666 is a wasteful number, since it uses less digits than its factorization.

1075666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28328.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1075666 is about 1037.1431916568. The cubic root of 1075666 is about 102.4611314058.

The spelling of 1075666 in words is "one million, seventy-five thousand, six hundred sixty-six".