68061101605 has 16 divisors (see below), whose sum is σ = 93392567424. Its totient is φ = 46644655680.

The previous prime is 68061101599. The next prime is 68061101609. The reversal of 68061101605 is 50610116086.

It is not a de Polignac number, because 68061101605 - 2⁹ = 68061101093 is a prime.

It is a super-2 number, since 2×68061101605² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68061101609) 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, 473502 + ... + 600271.

It is an arithmetic number, because the mean of its divisors is an integer number (5837035464).

Almost surely, 2^68061101605 is an apocalyptic number.

It is an amenable number.

68061101605 is a deficient number, since it is larger than the sum of its proper divisors (25331465819).

68061101605 is a wasteful number, since it uses less digits than its factorization.

68061101605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075596.

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 68061101605 in words is "sixty-eight billion, sixty-one million, one hundred one thousand, six hundred five".