1165166 has 8 divisors (see below), whose sum is σ = 1804224. Its totient is φ = 563760.

The previous prime is 1165147. The next prime is 1165183. The reversal of 1165166 is 6615611.

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

It is a super-2 number, since 2×1165166² = 2715223615112, which contains 22 as substring.

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, 9335 + ... + 9458.

It is an arithmetic number, because the mean of its divisors is an integer number (225528).

2^1165166 is an apocalyptic number.

1165166 is a deficient number, since it is larger than the sum of its proper divisors (639058).

1165166 is a wasteful number, since it uses less digits than its factorization.

1165166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18826.

The product of its digits is 1080, while the sum is 26.

The square root of 1165166 is about 1079.4285525221. The cubic root of 1165166 is about 105.2275036879.

It can be divided in two parts, 1165 and 166, that added together give a palindrome (1331).

The spelling of 1165166 in words is "one million, one hundred sixty-five thousand, one hundred sixty-six".