4161663 has 24 divisors (see below), whose sum is σ = 6629376. Its totient is φ = 2494800.

The previous prime is 4161653. The next prime is 4161667. The reversal of 4161663 is 3661614.

4161663 is a `hidden beast` number, since 41 + 616 + 6 + 3 = 666.

4161663 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 4161663 - 2⁵ = 4161631 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12408 + ... + 12738.

It is an arithmetic number, because the mean of its divisors is an integer number (276224).

Almost surely, 2^4161663 is an apocalyptic number.

4161663 is a deficient number, since it is larger than the sum of its proper divisors (2467713).

4161663 is a wasteful number, since it uses less digits than its factorization.

4161663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 472 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 4161663 is about 2040.0154411180. The cubic root of 4161663 is about 160.8504584722.

The spelling of 4161663 in words is "four million, one hundred sixty-one thousand, six hundred sixty-three".