2160395885 has 4 divisors (see below), whose sum is σ = 2592475068. Its totient is φ = 1728316704.

The previous prime is 2160395863. The next prime is 2160395891. The reversal of 2160395885 is 5885930612.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1140615529 + 1019780356 = 33773^2 + 31934^2 .

It is a cyclic number.

It is not a de Polignac number, because 2160395885 - 2¹⁶ = 2160330349 is a prime.

It is a Duffinian number.

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, 216039584 + ... + 216039593.

It is an arithmetic number, because the mean of its divisors is an integer number (648118767).

Almost surely, 2^2160395885 is an apocalyptic number.

It is an amenable number.

2160395885 is a deficient number, since it is larger than the sum of its proper divisors (432079183).

2160395885 is an equidigital number, since it uses as much as digits as its factorization.

2160395885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432079182.

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 2160395885 is about 46480.0590038352. The cubic root of 2160395885 is about 1292.7397821928.

The spelling of 2160395885 in words is "two billion, one hundred sixty million, three hundred ninety-five thousand, eight hundred eighty-five".