2130166879 has 2 divisors, whose sum is σ = 2130166880. Its totient is φ = 2130166878.

The previous prime is 2130166877. The next prime is 2130166991. The reversal of 2130166879 is 9786610312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2130166879 - 2¹ = 2130166877 is a prime.

It is a super-2 number, since 2×2130166879² = 9075221864777201282, which contains 22 as substring.

Together with 2130166877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130166877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065083439 + 1065083440.

It is an arithmetic number, because the mean of its divisors is an integer number (1065083440).

Almost surely, 2^2130166879 is an apocalyptic number.

2130166879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130166879 is an equidigital number, since it uses as much as digits as its factorization.

2130166879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 2130166879 is about 46153.7309326126. The cubic root of 2130166879 is about 1286.6819520036.

The spelling of 2130166879 in words is "two billion, one hundred thirty million, one hundred sixty-six thousand, eight hundred seventy-nine".