1166266 has 8 divisors (see below), whose sum is σ = 1756980. Its totient is φ = 580608.

The previous prime is 1166237. The next prime is 1166287. The reversal of 1166266 is 6626611.

It can be written as a sum of positive squares in 2 ways, for example, as 1164241 + 2025 = 1079^2 + 45^2 .

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

It is a congruent number.

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, 621 + ... + 1648.

2^1166266 is an apocalyptic number.

1166266 is a deficient number, since it is larger than the sum of its proper divisors (590714).

1166266 is a wasteful number, since it uses less digits than its factorization.

1166266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528.

The product of its digits is 2592, while the sum is 28.

The square root of 1166266 is about 1079.9379611811. The cubic root of 1166266 is about 105.2606073680.

The spelling of 1166266 in words is "one million, one hundred sixty-six thousand, two hundred sixty-six".