68116855 has 16 divisors (see below), whose sum is σ = 83349504. Its totient is φ = 53431200.

The previous prime is 68116849. The next prime is 68116861. The reversal of 68116855 is 55861186.

It is an interprime number because it is at equal distance from previous prime (68116849) and next prime (68116861).

It is a de Polignac number, because none of the positive numbers 2^k-68116855 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62122 + ... + 63208.

It is an arithmetic number, because the mean of its divisors is an integer number (5209344).

Almost surely, 2^68116855 is an apocalyptic number.

68116855 is a deficient number, since it is larger than the sum of its proper divisors (15232649).

68116855 is a wasteful number, since it uses less digits than its factorization.

68116855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326.

The product of its digits is 57600, while the sum is 40.

The square root of 68116855 is about 8253.2935849878. The cubic root of 68116855 is about 408.3991811990.

The spelling of 68116855 in words is "sixty-eight million, one hundred sixteen thousand, eight hundred fifty-five".