1001166 has 8 divisors (see below), whose sum is σ = 2002344. Its totient is φ = 333720.

The previous prime is 1001159. The next prime is 1001173. The reversal of 1001166 is 6611001.

It is an interprime number because it is at equal distance from previous prime (1001159) and next prime (1001173).

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

1001166 is an admirable number.

It is a Curzon number.

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, 83425 + ... + 83436.

It is an arithmetic number, because the mean of its divisors is an integer number (250293).

2^1001166 is an apocalyptic number.

1001166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001166 is a wasteful number, since it uses less digits than its factorization.

1001166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166866.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1001166 is about 1000.5828301545. The cubic root of 1001166 is about 100.0388515703.

Adding to 1001166 its reverse (6611001), we get a palindrome (7612167).

The spelling of 1001166 in words is "one million, one thousand, one hundred sixty-six".