216336376 has 16 divisors (see below), whose sum is σ = 411188400. Its totient is φ = 106686144.

The previous prime is 216336331. The next prime is 216336389. The reversal of 216336376 is 673633612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184636 + ... + 185803.

It is an arithmetic number, because the mean of its divisors is an integer number (25699275).

Almost surely, 2^216336376 is an apocalyptic number.

It is an amenable number.

216336376 is a deficient number, since it is larger than the sum of its proper divisors (194852024).

216336376 is a wasteful number, since it uses less digits than its factorization.

216336376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370518 (or 370514 counting only the distinct ones).

The product of its digits is 81648, while the sum is 37.

The square root of 216336376 is about 14708.3777487526. The cubic root of 216336376 is about 600.3112977209.

Adding to 216336376 its reverse (673633612), we get a palindrome (889969988).

The spelling of 216336376 in words is "two hundred sixteen million, three hundred thirty-six thousand, three hundred seventy-six".