2159218160 has 40 divisors (see below), whose sum is σ = 5476564656. Its totient is φ = 785169920.

The previous prime is 2159218147. The next prime is 2159218177. The reversal of 2159218160 is 618129512.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 2159218160.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225949 + ... + 1227708.

Almost surely, 2^2159218160 is an apocalyptic number.

2159218160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2159218160 is an abundant number, since it is smaller than the sum of its proper divisors (3317346496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2159218160 is a wasteful number, since it uses less digits than its factorization.

2159218160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453681 (or 2453675 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 2159218160 is about 46467.3881340451. The cubic root of 2159218160 is about 1292.5048300847.

The spelling of 2159218160 in words is "two billion, one hundred fifty-nine million, two hundred eighteen thousand, one hundred sixty".