40116068161 has 16 divisors (see below), whose sum is σ = 43703841664. Its totient is φ = 36600989184.

The previous prime is 40116068147. The next prime is 40116068177. The reversal of 40116068161 is 16186061104.

It is a happy number.

40116068161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40116068161 - 2⁵ = 40116068129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40116068101) 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, 972196 + ... + 1012618.

It is an arithmetic number, because the mean of its divisors is an integer number (2731490104).

Almost surely, 2^40116068161 is an apocalyptic number.

It is an amenable number.

40116068161 is a deficient number, since it is larger than the sum of its proper divisors (3587773503).

40116068161 is a wasteful number, since it uses less digits than its factorization.

40116068161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41320.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 40116068161 in words is "forty billion, one hundred sixteen million, sixty-eight thousand, one hundred sixty-one".