216334376 has 32 divisors (see below), whose sum is σ = 416845440. Its totient is φ = 105197568.

The previous prime is 216334351. The next prime is 216334381. The reversal of 216334376 is 673433612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87185 + ... + 89631.

It is an arithmetic number, because the mean of its divisors is an integer number (13026420).

Almost surely, 2^216334376 is an apocalyptic number.

It is an amenable number.

216334376 is a deficient number, since it is larger than the sum of its proper divisors (200511064).

216334376 is a wasteful number, since it uses less digits than its factorization.

216334376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753 (or 2749 counting only the distinct ones).

The product of its digits is 54432, while the sum is 35.

The square root of 216334376 is about 14708.3097601322. The cubic root of 216334376 is about 600.3094477834.

Adding to 216334376 its reverse (673433612), we get a palindrome (889767988).

The spelling of 216334376 in words is "two hundred sixteen million, three hundred thirty-four thousand, three hundred seventy-six".