68604541161 has 16 divisors (see below), whose sum is σ = 98875304640. Its totient is φ = 42061227840.

The previous prime is 68604541139. The next prime is 68604541163. The reversal of 68604541161 is 16114540686.

It is not a de Polignac number, because 68604541161 - 2⁹ = 68604540649 is a prime.

It is a super-2 number, since 2×68604541161² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68604541163) 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, 3259195 + ... + 3280176.

It is an arithmetic number, because the mean of its divisors is an integer number (6179706540).

Almost surely, 2^68604541161 is an apocalyptic number.

It is an amenable number.

68604541161 is a deficient number, since it is larger than the sum of its proper divisors (30270763479).

68604541161 is a wasteful number, since it uses less digits than its factorization.

68604541161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6539656.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 68604541161 in words is "sixty-eight billion, six hundred four million, five hundred forty-one thousand, one hundred sixty-one".