2166169151 has 2 divisors, whose sum is σ = 2166169152. Its totient is φ = 2166169150.

The previous prime is 2166169139. The next prime is 2166169163. The reversal of 2166169151 is 1519616612.

2166169151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2166169139) and next prime (2166169163).

It is a cyclic number.

It is not a de Polignac number, because 2166169151 - 2¹⁰ = 2166168127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2166169171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1083084575 + 1083084576.

It is an arithmetic number, because the mean of its divisors is an integer number (1083084576).

Almost surely, 2^2166169151 is an apocalyptic number.

2166169151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2166169151 is an equidigital number, since it uses as much as digits as its factorization.

2166169151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 38.

The square root of 2166169151 is about 46542.1223302075. The cubic root of 2166169151 is about 1293.8902954549.

The spelling of 2166169151 in words is "two billion, one hundred sixty-six million, one hundred sixty-nine thousand, one hundred fifty-one".