4163641 has 8 divisors (see below), whose sum is σ = 4524800. Its totient is φ = 3816720.

The previous prime is 4163629. The next prime is 4163651. The reversal of 4163641 is 1463614.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4163641 - 2¹¹ = 4161593 is a prime.

It is the 2041-st Hogben number.

It is a Duffinian number.

4163641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4163611) by changing a digit.

It is a nontrivial repunit in base 2040.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2946 + ... + 4123.

It is an arithmetic number, because the mean of its divisors is an integer number (565600).

Almost surely, 2^4163641 is an apocalyptic number.

It is an amenable number.

4163641 is a deficient number, since it is larger than the sum of its proper divisors (361159).

4163641 is a wasteful number, since it uses less digits than its factorization.

4163641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7119.

The product of its digits is 1728, while the sum is 25.

The square root of 4163641 is about 2040.5001837785. The cubic root of 4163641 is about 160.8759380152.

The spelling of 4163641 in words is "four million, one hundred sixty-three thousand, six hundred forty-one".