60666 has 8 divisors (see below), whose sum is σ = 121344. Its totient is φ = 20220.

The previous prime is 60661. The next prime is 60679. The reversal of 60666 is 66606.

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

60666 is an admirable number.

60666 is a modest number, since divided by 666 gives 60 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (60661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050 + ... + 5061.

It is an arithmetic number, because the mean of its divisors is an integer number (15168).

2⁶⁰⁶⁶⁶ is an apocalyptic number.

60666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60672).

60666 is a wasteful number, since it uses less digits than its factorization.

60666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10116.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 60666 is about 246.3046893585. The cubic root of 60666 is about 39.2929938498.

The spelling of 60666 in words is "sixty thousand, six hundred sixty-six".