4166541 has 12 divisors (see below), whose sum is σ = 6044220. Its totient is φ = 2765760.

The previous prime is 4166531. The next prime is 4166557. The reversal of 4166541 is 1456614.

4166541 is a `hidden beast` number, since 4 + 1 + 6 + 654 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1512900 + 2653641 = 1230^2 + 1629^2 .

It is not a de Polignac number, because 4166541 - 2⁵ = 4166509 is a prime.

4166541 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4166501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1561 + ... + 3281.

It is an arithmetic number, because the mean of its divisors is an integer number (503685).

Almost surely, 2^4166541 is an apocalyptic number.

It is an amenable number.

4166541 is a deficient number, since it is larger than the sum of its proper divisors (1877679).

4166541 is a wasteful number, since it uses less digits than its factorization.

4166541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996 (or 1993 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 4166541 is about 2041.2106701661. The cubic root of 4166541 is about 160.9132796869.

The spelling of 4166541 in words is "four million, one hundred sixty-six thousand, five hundred forty-one".