68581541841 has 16 divisors (see below), whose sum is σ = 95425474560. Its totient is φ = 43729638480.

The previous prime is 68581541807. The next prime is 68581541869. The reversal of 68581541841 is 14814518586.

It is a happy number.

It is not a de Polignac number, because 68581541841 - 2¹⁴ = 68581525457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68581541341) 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, 1029690 + ... + 1094268.

It is an arithmetic number, because the mean of its divisors is an integer number (5964092160).

Almost surely, 2^68581541841 is an apocalyptic number.

It is an amenable number.

68581541841 is a deficient number, since it is larger than the sum of its proper divisors (26843932719).

68581541841 is a wasteful number, since it uses less digits than its factorization.

68581541841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79996.

The product of its digits is 1228800, while the sum is 51.

The spelling of 68581541841 in words is "sixty-eight billion, five hundred eighty-one million, five hundred forty-one thousand, eight hundred forty-one".