68968687148 has 6 divisors (see below), whose sum is σ = 120695202516. Its totient is φ = 34484343572.

The previous prime is 68968687091. The next prime is 68968687199. The reversal of 68968687148 is 84178686986.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8621085890 + ... + 8621085897.

It is an arithmetic number, because the mean of its divisors is an integer number (20115867086).

Almost surely, 2^68968687148 is an apocalyptic number.

It is an amenable number.

68968687148 is a deficient number, since it is larger than the sum of its proper divisors (51726515368).

68968687148 is a wasteful number, since it uses less digits than its factorization.

68968687148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17242171791 (or 17242171789 counting only the distinct ones).

The product of its digits is 222953472, while the sum is 71.

The spelling of 68968687148 in words is "sixty-eight billion, nine hundred sixty-eight million, six hundred eighty-seven thousand, one hundred forty-eight".