2158460218 has 16 divisors (see below), whose sum is σ = 3275951040. Its totient is φ = 1066490656.

The previous prime is 2158460203. The next prime is 2158460237. The reversal of 2158460218 is 8120648512.

2158460218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593955 + ... + 597577.

It is an arithmetic number, because the mean of its divisors is an integer number (204746940).

Almost surely, 2^2158460218 is an apocalyptic number.

2158460218 is a deficient number, since it is larger than the sum of its proper divisors (1117490822).

2158460218 is a wasteful number, since it uses less digits than its factorization.

2158460218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7061.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 2158460218 is about 46459.2317844366. The cubic root of 2158460218 is about 1292.3535780616.

The spelling of 2158460218 in words is "two billion, one hundred fifty-eight million, four hundred sixty thousand, two hundred eighteen".