2162105194 has 8 divisors (see below), whose sum is σ = 3249384228. Its totient is φ = 1078977120.

The previous prime is 2162105191. The next prime is 2162105201. The reversal of 2162105194 is 4915012612.

2162105194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2144153025 + 17952169 = 46305^2 + 4237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2162105191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036437 + ... + 1038520.

Almost surely, 2^2162105194 is an apocalyptic number.

2162105194 is a deficient number, since it is larger than the sum of its proper divisors (1087279034).

2162105194 is a wasteful number, since it uses less digits than its factorization.

2162105194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075480.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 2162105194 is about 46498.4429201667. The cubic root of 2162105194 is about 1293.0806316400.

The spelling of 2162105194 in words is "two billion, one hundred sixty-two million, one hundred five thousand, one hundred ninety-four".