2069663 has 4 divisors (see below), whose sum is σ = 2079168. Its totient is φ = 2060160.

The previous prime is 2069657. The next prime is 2069671. The reversal of 2069663 is 3669602.

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 2069663 - 2⁴ = 2069647 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 (2069603) 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, 4418 + ... + 4863.

It is an arithmetic number, because the mean of its divisors is an integer number (519792).

2^2069663 is an apocalyptic number.

2069663 is a deficient number, since it is larger than the sum of its proper divisors (9505).

2069663 is an equidigital number, since it uses as much as digits as its factorization.

2069663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9504.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 2069663 is about 1438.6323366309. The cubic root of 2069663 is about 127.4382733378.

The spelling of 2069663 in words is "two million, sixty-nine thousand, six hundred sixty-three".