68581675601 has 4 divisors (see below), whose sum is σ = 68929806132. Its totient is φ = 68233545072.

The previous prime is 68581675583. The next prime is 68581675649. The reversal of 68581675601 is 10657618586.

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

It can be written as a sum of positive squares in 2 ways, for example, as 63960939025 + 4620736576 = 252905^2 + 67976^2 .

It is a cyclic number.

It is not a de Polignac number, because 68581675601 - 2¹⁴ = 68581659217 is a prime.

It is a super-2 number, since 2×68581675601² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68581675651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174064970 + ... + 174065363.

It is an arithmetic number, because the mean of its divisors is an integer number (17232451533).

Almost surely, 2^68581675601 is an apocalyptic number.

It is an amenable number.

68581675601 is a deficient number, since it is larger than the sum of its proper divisors (348130531).

68581675601 is a wasteful number, since it uses less digits than its factorization.

68581675601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348130530.

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 68581675601 in words is "sixty-eight billion, five hundred eighty-one million, six hundred seventy-five thousand, six hundred one".