68216108 has 6 divisors (see below), whose sum is σ = 119378196. Its totient is φ = 34108052.

The previous prime is 68216101. The next prime is 68216111. The reversal of 68216108 is 80161286.

It is not an unprimeable number, because it can be changed into a prime (68216101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8527010 + ... + 8527017.

It is an arithmetic number, because the mean of its divisors is an integer number (19896366).

Almost surely, 2^68216108 is an apocalyptic number.

It is an amenable number.

68216108 is a deficient number, since it is larger than the sum of its proper divisors (51162088).

68216108 is a wasteful number, since it uses less digits than its factorization.

68216108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17054031 (or 17054029 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 68216108 is about 8259.3043290582. The cubic root of 68216108 is about 408.5974442774.

The spelling of 68216108 in words is "sixty-eight million, two hundred sixteen thousand, one hundred eight".