2188651163 has 2 divisors, whose sum is σ = 2188651164. Its totient is φ = 2188651162.

The previous prime is 2188651151. The next prime is 2188651193. The reversal of 2188651163 is 3611568812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2188651163 - 2¹⁸ = 2188389019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2188651163.

It is not a weakly prime, because it can be changed into another prime (2188651123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094325581 + 1094325582.

It is an arithmetic number, because the mean of its divisors is an integer number (1094325582).

Almost surely, 2^2188651163 is an apocalyptic number.

2188651163 is a deficient number, since it is larger than the sum of its proper divisors (1).

2188651163 is an equidigital number, since it uses as much as digits as its factorization.

2188651163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 41.

The square root of 2188651163 is about 46783.0221661662. The cubic root of 2188651163 is about 1298.3511962767.

The spelling of 2188651163 in words is "two billion, one hundred eighty-eight million, six hundred fifty-one thousand, one hundred sixty-three".