2116715716161 has 24 divisors (see below), whose sum is σ = 3210116158080. Its totient is φ = 1342148090976.

The previous prime is 2116715716151. The next prime is 2116715716187. The reversal of 2116715716161 is 1616175176112.

2116715716161 is a `hidden beast` number, since 2 + 1 + 1 + 6 + 71 + 571 + 6 + 1 + 6 + 1 = 666.

It is not a de Polignac number, because 2116715716161 - 2⁷ = 2116715716033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2116715716151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60505065 + ... + 60540038.

It is an arithmetic number, because the mean of its divisors is an integer number (133754839920).

Almost surely, 2^{2116715716161} is an apocalyptic number.

It is an amenable number.

2116715716161 is a deficient number, since it is larger than the sum of its proper divisors (1093400441919).

2116715716161 is a wasteful number, since it uses less digits than its factorization.

2116715716161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121045205 (or 121045202 counting only the distinct ones).

The product of its digits is 105840, while the sum is 45.

The spelling of 2116715716161 in words is "two trillion, one hundred sixteen billion, seven hundred fifteen million, seven hundred sixteen thousand, one hundred sixty-one".