2160490906 has 8 divisors (see below), whose sum is σ = 3703698720. Its totient is φ = 925924668.

The previous prime is 2160490903. The next prime is 2160490919. The reversal of 2160490906 is 6090940612.

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 (2160490903) 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, 77160376 + ... + 77160403.

It is an arithmetic number, because the mean of its divisors is an integer number (462962340).

Almost surely, 2^2160490906 is an apocalyptic number.

2160490906 is a deficient number, since it is larger than the sum of its proper divisors (1543207814).

2160490906 is a wasteful number, since it uses less digits than its factorization.

2160490906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154320788.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2160490906 is about 46481.0811621244. The cubic root of 2160490906 is about 1292.7587348343.

The spelling of 2160490906 in words is "two billion, one hundred sixty million, four hundred ninety thousand, nine hundred six".