511166 has 8 divisors (see below), whose sum is σ = 769824. Its totient is φ = 254560.

The previous prime is 511163. The next prime is 511169. The reversal of 511166 is 661115.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (511163) and next prime (511169).

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

It is a super-2 number, since 2×511166² = 522581359112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566 + ... + 1158.

It is an arithmetic number, because the mean of its divisors is an integer number (96228).

2⁵¹¹¹⁶⁶ is an apocalyptic number.

511166 is a deficient number, since it is larger than the sum of its proper divisors (258658).

511166 is a wasteful number, since it uses less digits than its factorization.

511166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026.

The product of its digits is 180, while the sum is 20.

The square root of 511166 is about 714.9587400683. The cubic root of 511166 is about 79.9565388934.

The spelling of 511166 in words is "five hundred eleven thousand, one hundred sixty-six".