4161189871 has 2 divisors, whose sum is σ = 4161189872. Its totient is φ = 4161189870.

The previous prime is 4161189859. The next prime is 4161189887. The reversal of 4161189871 is 1789811614.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4161189871 - 2⁵ = 4161189839 is a prime.

It is a super-2 number, since 2×4161189871² = 34631002285025993282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4161189821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2080594935 + 2080594936.

It is an arithmetic number, because the mean of its divisors is an integer number (2080594936).

Almost surely, 2^4161189871 is an apocalyptic number.

4161189871 is a deficient number, since it is larger than the sum of its proper divisors (1).

4161189871 is an equidigital number, since it uses as much as digits as its factorization.

4161189871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 46.

The square root of 4161189871 is about 64507.2854102542. The cubic root of 4161189871 is about 1608.4436267985.

The spelling of 4161189871 in words is "four billion, one hundred sixty-one million, one hundred eighty-nine thousand, eight hundred seventy-one".