68116305 has 8 divisors (see below), whose sum is σ = 108986112. Its totient is φ = 36328688.

The previous prime is 68116291. The next prime is 68116309. The reversal of 68116305 is 50361186.

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 68116305 - 2⁸ = 68116049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68116309) 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, 2270529 + ... + 2270558.

It is an arithmetic number, because the mean of its divisors is an integer number (13623264).

Almost surely, 2^68116305 is an apocalyptic number.

It is an amenable number.

68116305 is a deficient number, since it is larger than the sum of its proper divisors (40869807).

68116305 is a wasteful number, since it uses less digits than its factorization.

68116305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4541095.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 68116305 is about 8253.2602648893. The cubic root of 68116305 is about 408.3980820087.

The spelling of 68116305 in words is "sixty-eight million, one hundred sixteen thousand, three hundred five".