66466 has 8 divisors (see below), whose sum is σ = 100800. Its totient is φ = 32868.

The previous prime is 66463. The next prime is 66467.

66466 = T₂₀₉ + T₂₁₀ + T₂₁₁.

66466 is nontrivially palindromic in base 10.

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

It is not an unprimeable number, because it can be changed into a prime (66463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235 + ... + 433.

It is an arithmetic number, because the mean of its divisors is an integer number (12600).

2⁶⁶⁴⁶⁶ is an apocalyptic number.

66466 is the 211-st centered triangular number.

66466 is a deficient number, since it is larger than the sum of its proper divisors (34334).

66466 is a wasteful number, since it uses less digits than its factorization.

66466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368.

The product of its digits is 5184, while the sum is 28.

The square root of 66466 is about 257.8100075637. The cubic root of 66466 is about 40.5072892433.

The spelling of 66466 in words is "sixty-six thousand, four hundred sixty-six".