516466 has 4 divisors (see below), whose sum is σ = 774702. Its totient is φ = 258232.

The previous prime is 516457. The next prime is 516469. The reversal of 516466 is 664615.

516466 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 271441 + 245025 = 521^2 + 495^2 .

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (516469) 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 as a sum of consecutive naturals, namely, 129115 + ... + 129118.

2⁵¹⁶⁴⁶⁶ is an apocalyptic number.

516466 is a deficient number, since it is larger than the sum of its proper divisors (258236).

516466 is a wasteful number, since it uses less digits than its factorization.

516466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258235.

The product of its digits is 4320, while the sum is 28.

The square root of 516466 is about 718.6556894647. The cubic root of 516466 is about 80.2319311163.

It can be divided in two parts, 5 and 16466, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 516466 in words is "five hundred sixteen thousand, four hundred sixty-six".