213316466 has 12 divisors (see below), whose sum is σ = 351708126. Its totient is φ = 96961920.

The previous prime is 213316457. The next prime is 213316469. The reversal of 213316466 is 664613312.

It can be written as a sum of positive squares in only one way, i.e., 155875225 + 57441241 = 12485^2 + 7579^2 .

It is not an unprimeable number, because it can be changed into a prime (213316469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 440495 + ... + 440978.

Almost surely, 2^213316466 is an apocalyptic number.

213316466 is a deficient number, since it is larger than the sum of its proper divisors (138391660).

213316466 is a wasteful number, since it uses less digits than its factorization.

213316466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881497 (or 881486 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 213316466 is about 14605.3574417061. The cubic root of 213316466 is about 597.5048846785.

Adding to 213316466 its reverse (664613312), we get a palindrome (877929778).

The spelling of 213316466 in words is "two hundred thirteen million, three hundred sixteen thousand, four hundred sixty-six".