1320166 has 16 divisors (see below), whose sum is σ = 2073600. Its totient is φ = 629640.

The previous prime is 1320161. The next prime is 1320173. The reversal of 1320166 is 6610231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320161) 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, 6535 + ... + 6733.

It is an arithmetic number, because the mean of its divisors is an integer number (129600).

2^1320166 is an apocalyptic number.

1320166 is a deficient number, since it is larger than the sum of its proper divisors (753434).

1320166 is a wasteful number, since it uses less digits than its factorization.

1320166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1320166 is about 1148.9847692637. The cubic root of 1320166 is about 109.7007292291.

Adding to 1320166 its reverse (6610231), we get a palindrome (7930397).

The spelling of 1320166 in words is "one million, three hundred twenty thousand, one hundred sixty-six".