29666 has 16 divisors (see below), whose sum is σ = 55104. Its totient is φ = 11664.

The previous prime is 29663. The next prime is 29669. The reversal of 29666 is 66692.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (29663) and next prime (29669).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101 + ... + 263.

It is an arithmetic number, because the mean of its divisors is an integer number (3444).

2²⁹⁶⁶⁶ is an apocalyptic number.

29666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

29666 is a deficient number, since it is larger than the sum of its proper divisors (25438).

29666 is a wasteful number, since it uses less digits than its factorization.

29666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185.

The product of its digits is 3888, while the sum is 29.

The square root of 29666 is about 172.2382071435. The cubic root of 29666 is about 30.9565816033.

The spelling of 29666 in words is "twenty-nine thousand, six hundred sixty-six".