1066611 has 16 divisors (see below), whose sum is σ = 1750784. Its totient is φ = 562464.

The previous prime is 1066577. The next prime is 1066619. The reversal of 1066611 is 1166601.

It is not a de Polignac number, because 1066611 - 2¹³ = 1058419 is a prime.

It is a super-2 number, since 2×1066611² = 2275318050642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1066619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1681 + ... + 2226.

It is an arithmetic number, because the mean of its divisors is an integer number (109424).

2^1066611 is an apocalyptic number.

1066611 is a deficient number, since it is larger than the sum of its proper divisors (684173).

1066611 is a wasteful number, since it uses less digits than its factorization.

1066611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1066611 is about 1032.7686091279. The cubic root of 1066611 is about 102.1728135427.

The spelling of 1066611 in words is "one million, sixty-six thousand, six hundred eleven".