2189162368 has 32 divisors (see below), whose sum is σ = 4590765000. Its totient is φ = 1036970496.

The previous prime is 2189162351. The next prime is 2189162389. The reversal of 2189162368 is 8632619812.

2189162368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

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, 447643 + ... + 452506.

Almost surely, 2^2189162368 is an apocalyptic number.

It is an amenable number.

2189162368 is an abundant number, since it is smaller than the sum of its proper divisors (2401602632).

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

2189162368 is an equidigital number, since it uses as much as digits as its factorization.

2189162368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900182 (or 900170 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 2189162368 is about 46788.4854210948. The cubic root of 2189162368 is about 1298.4522740494.

The spelling of 2189162368 in words is "two billion, one hundred eighty-nine million, one hundred sixty-two thousand, three hundred sixty-eight".