2660798163 has 16 divisors (see below), whose sum is σ = 3780358560. Its totient is φ = 1658881536.

The previous prime is 2660798159. The next prime is 2660798177. The reversal of 2660798163 is 3618970662.

It is not a de Polignac number, because 2660798163 - 2² = 2660798159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2660798113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158148 + ... + 174161.

It is an arithmetic number, because the mean of its divisors is an integer number (236272410).

Almost surely, 2^2660798163 is an apocalyptic number.

2660798163 is a deficient number, since it is larger than the sum of its proper divisors (1119560397).

2660798163 is a wasteful number, since it uses less digits than its factorization.

2660798163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332486.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 2660798163 is about 51582.9251109318. The cubic root of 2660798163 is about 1385.7045532767.

The spelling of 2660798163 in words is "two billion, six hundred sixty million, seven hundred ninety-eight thousand, one hundred sixty-three".