2141663 has 4 divisors (see below), whose sum is σ = 2163840. Its totient is φ = 2119488.

The previous prime is 2141653. The next prime is 2141669. The reversal of 2141663 is 3661412.

It is a happy number.

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 2141663 - 2⁴ = 2141647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10943 + ... + 11136.

It is an arithmetic number, because the mean of its divisors is an integer number (540960).

2^2141663 is an apocalyptic number.

2141663 is a deficient number, since it is larger than the sum of its proper divisors (22177).

2141663 is an equidigital number, since it uses as much as digits as its factorization.

2141663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22176.

The product of its digits is 864, while the sum is 23.

The square root of 2141663 is about 1463.4421751473. The cubic root of 2141663 is about 128.8992462886.

The spelling of 2141663 in words is "two million, one hundred forty-one thousand, six hundred sixty-three".