2660650163 has 4 divisors (see below), whose sum is σ = 2662812768. Its totient is φ = 2658487560.

The previous prime is 2660650159. The next prime is 2660650169. The reversal of 2660650163 is 3610560662.

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

It is a cyclic number.

It is not a de Polignac number, because 2660650163 - 2² = 2660650159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2660650169) 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 3 ways as a sum of consecutive naturals, for example, 1079456 + ... + 1081917.

It is an arithmetic number, because the mean of its divisors is an integer number (665703192).

Almost surely, 2^2660650163 is an apocalyptic number.

2660650163 is a deficient number, since it is larger than the sum of its proper divisors (2162605).

2660650163 is a wasteful number, since it uses less digits than its factorization.

2660650163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162604.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 2660650163 is about 51581.4905077393. The cubic root of 2660650163 is about 1385.6788607259.

The spelling of 2660650163 in words is "two billion, six hundred sixty million, six hundred fifty thousand, one hundred sixty-three".