68659044258 has 16 divisors (see below), whose sum is σ = 156934958400. Its totient is φ = 19616869776.

The previous prime is 68659044257. The next prime is 68659044281. The reversal of 68659044258 is 85244095686.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68659044198 and 68659044207.

It is not an unprimeable number, because it can be changed into a prime (68659044257) 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, 817369533 + ... + 817369616.

It is an arithmetic number, because the mean of its divisors is an integer number (9808434900).

Almost surely, 2^68659044258 is an apocalyptic number.

68659044258 is an abundant number, since it is smaller than the sum of its proper divisors (88275914142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68659044258 is a wasteful number, since it uses less digits than its factorization.

68659044258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634739161.

The product of its (nonzero) digits is 16588800, while the sum is 57.

The spelling of 68659044258 in words is "sixty-eight billion, six hundred fifty-nine million, forty-four thousand, two hundred fifty-eight".