2160738166 has 4 divisors (see below), whose sum is σ = 3241107252. Its totient is φ = 1080369082.

The previous prime is 2160738149. The next prime is 2160738187. The reversal of 2160738166 is 6618370612.

It is a happy number.

2160738166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540184540 + ... + 540184543.

It is an arithmetic number, because the mean of its divisors is an integer number (810276813).

Almost surely, 2^2160738166 is an apocalyptic number.

2160738166 is a deficient number, since it is larger than the sum of its proper divisors (1080369086).

2160738166 is a wasteful number, since it uses less digits than its factorization.

2160738166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080369085.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 2160738166 is about 46483.7408778596. The cubic root of 2160738166 is about 1292.8080500664.

The spelling of 2160738166 in words is "two billion, one hundred sixty million, seven hundred thirty-eight thousand, one hundred sixty-six".