68216410 has 64 divisors (see below), whose sum is σ = 136818720. Its totient is φ = 24371200.

The previous prime is 68216389. The next prime is 68216417. The reversal of 68216410 is 1461286.

It can be written as a sum of positive squares in 16 ways, for example, as 36372961 + 31843449 = 6031^2 + 5643^2 .

It is not an unprimeable number, because it can be changed into a prime (68216417) 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 in 31 ways as a sum of consecutive naturals, for example, 497862 + ... + 497998.

Almost surely, 2^68216410 is an apocalyptic number.

68216410 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

68216410 is a wasteful number, since it uses less digits than its factorization.

68216410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 68216410 is about 8259.3226114494. The cubic root of 68216410 is about 408.5980472447.

Adding to 68216410 its reverse (1461286), we get a palindrome (69677696).

It can be divided in two parts, 6821 and 6410, that added together give a palindrome (13231).

The spelling of 68216410 in words is "sixty-eight million, two hundred sixteen thousand, four hundred ten".