68159175034 has 4 divisors (see below), whose sum is σ = 102238762554. Its totient is φ = 34079587516.

The previous prime is 68159174977. The next prime is 68159175037. The reversal of 68159175034 is 43057195186.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38747954025 + 29411221009 = 196845^2 + 171497^2 .

It is not an unprimeable number, because it can be changed into a prime (68159175037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17039793757 + ... + 17039793760.

Almost surely, 2^68159175034 is an apocalyptic number.

68159175034 is a deficient number, since it is larger than the sum of its proper divisors (34079587520).

68159175034 is a wasteful number, since it uses less digits than its factorization.

68159175034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34079587519.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 68159175034 in words is "sixty-eight billion, one hundred fifty-nine million, one hundred seventy-five thousand, thirty-four".