216332026 has 8 divisors (see below), whose sum is σ = 324750240. Its totient is φ = 108081948.

The previous prime is 216331979. The next prime is 216332071. The reversal of 216332026 is 620233612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 38766 + ... + 43993.

It is an arithmetic number, because the mean of its divisors is an integer number (40593780).

Almost surely, 2^216332026 is an apocalyptic number.

216332026 is a deficient number, since it is larger than the sum of its proper divisors (108418214).

216332026 is a wasteful number, since it uses less digits than its factorization.

216332026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84068.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 216332026 is about 14708.2298731017. The cubic root of 216332026 is about 600.3072740923.

Adding to 216332026 its reverse (620233612), we get a palindrome (836565638).

The spelling of 216332026 in words is "two hundred sixteen million, three hundred thirty-two thousand, twenty-six".