68041605137 has 16 divisors (see below), whose sum is σ = 80717668992. Its totient is φ = 56643966720.

The previous prime is 68041605133. The next prime is 68041605179. The reversal of 68041605137 is 73150614086.

It is not a de Polignac number, because 68041605137 - 2² = 68041605133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68041605094 and 68041605103.

It is not an unprimeable number, because it can be changed into a prime (68041605133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4910093 + ... + 4923930.

It is an arithmetic number, because the mean of its divisors is an integer number (5044854312).

Almost surely, 2^68041605137 is an apocalyptic number.

It is an amenable number.

68041605137 is a deficient number, since it is larger than the sum of its proper divisors (12676063855).

68041605137 is a wasteful number, since it uses less digits than its factorization.

68041605137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9834088.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 68041605137 in words is "sixty-eight billion, forty-one million, six hundred five thousand, one hundred thirty-seven".