1066618 has 16 divisors (see below), whose sum is σ = 1868544. Its totient is φ = 447120.

The previous prime is 1066577. The next prime is 1066619. The reversal of 1066618 is 8166601.

It is a super-2 number, since 2×1066618² = 2275347915848, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 153 + ... + 1468.

It is an arithmetic number, because the mean of its divisors is an integer number (116784).

2^1066618 is an apocalyptic number.

1066618 is a deficient number, since it is larger than the sum of its proper divisors (801926).

1066618 is a wasteful number, since it uses less digits than its factorization.

1066618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1066618 is about 1032.7719980712. The cubic root of 1066618 is about 102.1730370569.

It can be divided in two parts, 106 and 6618, that added together give a square (6724 = 82²).

The spelling of 1066618 in words is "one million, sixty-six thousand, six hundred eighteen".