2168020895 has 4 divisors (see below), whose sum is σ = 2601625080. Its totient is φ = 1734416712.

The previous prime is 2168020879. The next prime is 2168020901. The reversal of 2168020895 is 5980208612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2168020895 - 2⁴ = 2168020879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216802085 + ... + 216802094.

It is an arithmetic number, because the mean of its divisors is an integer number (650406270).

Almost surely, 2^2168020895 is an apocalyptic number.

2168020895 is a deficient number, since it is larger than the sum of its proper divisors (433604185).

2168020895 is an equidigital number, since it uses as much as digits as its factorization.

2168020895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433604184.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 2168020895 is about 46562.0112860259. The cubic root of 2168020895 is about 1294.2588833511.

The spelling of 2168020895 in words is "two billion, one hundred sixty-eight million, twenty thousand, eight hundred ninety-five".