30166 has 4 divisors (see below), whose sum is σ = 45252. Its totient is φ = 15082.

The previous prime is 30161. The next prime is 30169. The reversal of 30166 is 66103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30161) by changing a digit.

30166 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7540 + ... + 7543.

It is an arithmetic number, because the mean of its divisors is an integer number (11313).

2³⁰¹⁶⁶ is an apocalyptic number.

30166 is a deficient number, since it is larger than the sum of its proper divisors (15086).

30166 is a wasteful number, since it uses less digits than its factorization.

30166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15085.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 30166 is about 173.6836204137. The cubic root of 30166 is about 31.1295308533.

Adding to 30166 its reverse (66103), we get a palindrome (96269).

Subtracting 30166 from its reverse (66103), we obtain a cube (35937 = 33³).

It can be divided in two parts, 30 and 166, that added together give a square (196 = 14²).

The spelling of 30166 in words is "thirty thousand, one hundred sixty-six".