68719016 has 8 divisors (see below), whose sum is σ = 128848170. Its totient is φ = 34359504.

The previous prime is 68718977. The next prime is 68719037. The reversal of 68719016 is 61091786.

It can be written as a sum of positive squares in only one way, i.e., 67996516 + 722500 = 8246^2 + 850^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4294931 + ... + 4294946.

Almost surely, 2^68719016 is an apocalyptic number.

It is an amenable number.

68719016 is a deficient number, since it is larger than the sum of its proper divisors (60129154).

68719016 is a wasteful number, since it uses less digits than its factorization.

68719016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8589883 (or 8589879 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 68719016 is about 8289.6933598294. The cubic root of 68719016 is about 409.5990845978.

The spelling of 68719016 in words is "sixty-eight million, seven hundred nineteen thousand, sixteen".