2166952211 has 2 divisors, whose sum is σ = 2166952212. Its totient is φ = 2166952210.

The previous prime is 2166952189. The next prime is 2166952219. The reversal of 2166952211 is 1122596612.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2166952211 - 2³⁰ = 1093210387 is a prime.

It is not a weakly prime, because it can be changed into another prime (2166952219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1083476105 + 1083476106.

It is an arithmetic number, because the mean of its divisors is an integer number (1083476106).

Almost surely, 2^2166952211 is an apocalyptic number.

2166952211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2166952211 is an equidigital number, since it uses as much as digits as its factorization.

2166952211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 35.

The square root of 2166952211 is about 46550.5339496767. The cubic root of 2166952211 is about 1294.0461884316.

The spelling of 2166952211 in words is "two billion, one hundred sixty-six million, nine hundred fifty-two thousand, two hundred eleven".