2011641163 has 4 divisors (see below), whose sum is σ = 2299018480. Its totient is φ = 1724263848.

The previous prime is 2011641143. The next prime is 2011641253. The reversal of 2011641163 is 3611461102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3611461102 = 2 ⋅1805730551.

It is a cyclic number.

It is not a de Polignac number, because 2011641163 - 2²⁹ = 1474770251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011641133) 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, 143688648 + ... + 143688661.

It is an arithmetic number, because the mean of its divisors is an integer number (574754620).

Almost surely, 2^2011641163 is an apocalyptic number.

2011641163 is a deficient number, since it is larger than the sum of its proper divisors (287377317).

2011641163 is an equidigital number, since it uses as much as digits as its factorization.

2011641163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287377316.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2011641163 is about 44851.3228678932. The cubic root of 2011641163 is about 1262.3608134372.

The spelling of 2011641163 in words is "two billion, eleven million, six hundred forty-one thousand, one hundred sixty-three".