68016859 has 8 divisors (see below), whose sum is σ = 69263168. Its totient is φ = 66777480.

The previous prime is 68016857. The next prime is 68016863. The reversal of 68016859 is 95861086.

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

It is a cyclic number.

It is not a de Polignac number, because 68016859 - 2¹ = 68016857 is a prime.

It is a super-3 number, since 3×68016859³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68016857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20644 + ... + 23710.

It is an arithmetic number, because the mean of its divisors is an integer number (8657896).

Almost surely, 2^68016859 is an apocalyptic number.

68016859 is a deficient number, since it is larger than the sum of its proper divisors (1246309).

68016859 is a wasteful number, since it uses less digits than its factorization.

68016859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 68016859 is about 8247.2334149095. The cubic root of 68016859 is about 408.1992390826.

The spelling of 68016859 in words is "sixty-eight million, sixteen thousand, eight hundred fifty-nine".