65466 has 12 divisors (see below), whose sum is σ = 141882. Its totient is φ = 21816.

The previous prime is 65449. The next prime is 65479. The reversal of 65466 is 66456.

65466 is a `hidden beast` number, since 654 + 6 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 65025 + 441 = 255^2 + 21^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 16.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1801 + ... + 1836.

2⁶⁵⁴⁶⁶ is an apocalyptic number.

65466 is an abundant number, since it is smaller than the sum of its proper divisors (76416).

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

65466 is a wasteful number, since it uses less digits than its factorization.

65466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645 (or 3642 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 65466 is about 255.8632447226. The cubic root of 65466 is about 40.3031139136.

Subtracting 65466 from its reverse (66456), we obtain a triangular number (990 = T₄₄).

The spelling of 65466 in words is "sixty-five thousand, four hundred sixty-six".