68081316 has 12 divisors (see below), whose sum is σ = 158856432. Its totient is φ = 22693768.

The previous prime is 68081297. The next prime is 68081347. The reversal of 68081316 is 61318086.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2836710 + ... + 2836733.

It is an arithmetic number, because the mean of its divisors is an integer number (13238036).

Almost surely, 2^68081316 is an apocalyptic number.

It is an amenable number.

68081316 is an abundant number, since it is smaller than the sum of its proper divisors (90775116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68081316 is a wasteful number, since it uses less digits than its factorization.

68081316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5673450 (or 5673448 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 68081316 is about 8251.1402848334. The cubic root of 68081316 is about 408.3281433558.

The spelling of 68081316 in words is "sixty-eight million, eighty-one thousand, three hundred sixteen".