1669066 has 16 divisors (see below), whose sum is σ = 2960640. Its totient is φ = 690480.

The previous prime is 1669061. The next prime is 1669091. The reversal of 1669066 is 6609661.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1669061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1650 + ... + 2461.

It is an arithmetic number, because the mean of its divisors is an integer number (185040).

2^1669066 is an apocalyptic number.

1669066 is a deficient number, since it is larger than the sum of its proper divisors (1291574).

1669066 is a wasteful number, since it uses less digits than its factorization.

1669066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 1669066 is about 1291.9233723406. The cubic root of 1669066 is about 118.6199773542.

The spelling of 1669066 in words is "one million, six hundred sixty-nine thousand, sixty-six".