68134216 has 16 divisors (see below), whose sum is σ = 127839600. Its totient is φ = 34043664.

The previous prime is 68134207. The next prime is 68134267. The reversal of 68134216 is 61243186.

It is a happy number.

It is a super-3 number, since 3×68134216³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19671 + ... + 22873.

It is an arithmetic number, because the mean of its divisors is an integer number (7989975).

Almost surely, 2^68134216 is an apocalyptic number.

It is an amenable number.

68134216 is a deficient number, since it is larger than the sum of its proper divisors (59705384).

68134216 is a wasteful number, since it uses less digits than its factorization.

68134216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5868 (or 5864 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 68134216 is about 8254.3452799117. The cubic root of 68134216 is about 408.4338745991.

The spelling of 68134216 in words is "sixty-eight million, one hundred thirty-four thousand, two hundred sixteen".