1171166 has 8 divisors (see below), whose sum is σ = 1764504. Its totient is φ = 583000.

The previous prime is 1171133. The next prime is 1171189. The reversal of 1171166 is 6611711.

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, 665 + ... + 1668.

It is an arithmetic number, because the mean of its divisors is an integer number (220563).

2^1171166 is an apocalyptic number.

1171166 is a deficient number, since it is larger than the sum of its proper divisors (593338).

1171166 is a wasteful number, since it uses less digits than its factorization.

1171166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586.

The product of its digits is 252, while the sum is 23.

The square root of 1171166 is about 1082.2042321115. The cubic root of 1171166 is about 105.4078168730.

Adding to 1171166 its reverse (6611711), we get a palindrome (7782877).

The spelling of 1171166 in words is "one million, one hundred seventy-one thousand, one hundred sixty-six".