1662266 has 8 divisors (see below), whose sum is σ = 2535840. Its totient is φ = 816988.

The previous prime is 1662257. The next prime is 1662281. The reversal of 1662266 is 6622661.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6926 + ... + 7161.

It is an arithmetic number, because the mean of its divisors is an integer number (316980).

2^1662266 is an apocalyptic number.

1662266 is a deficient number, since it is larger than the sum of its proper divisors (873574).

1662266 is a wasteful number, since it uses less digits than its factorization.

1662266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14148.

The product of its digits is 5184, while the sum is 29.

The square root of 1662266 is about 1289.2889513216. The cubic root of 1662266 is about 118.4586668263.

The spelling of 1662266 in words is "one million, six hundred sixty-two thousand, two hundred sixty-six".