68016443 has 8 divisors (see below), whose sum is σ = 74274816. Its totient is φ = 61770600.

The previous prime is 68016433. The next prime is 68016469. The reversal of 68016443 is 34461086.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68016443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68016413) 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, 11030 + ... + 16052.

It is an arithmetic number, because the mean of its divisors is an integer number (9284352).

Almost surely, 2^68016443 is an apocalyptic number.

68016443 is a deficient number, since it is larger than the sum of its proper divisors (6258373).

68016443 is a wasteful number, since it uses less digits than its factorization.

68016443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6265.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 68016443 is about 8247.2081942922. The cubic root of 68016443 is about 408.1984068809.

The spelling of 68016443 in words is "sixty-eight million, sixteen thousand, four hundred forty-three".