541166 has 4 divisors (see below), whose sum is σ = 811752. Its totient is φ = 270582.

The previous prime is 541153. The next prime is 541181. The reversal of 541166 is 661145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661145 = 5 ⋅132229.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135290 + ... + 135293.

It is an arithmetic number, because the mean of its divisors is an integer number (202938).

2⁵⁴¹¹⁶⁶ is an apocalyptic number.

541166 is a deficient number, since it is larger than the sum of its proper divisors (270586).

541166 is a wasteful number, since it uses less digits than its factorization.

541166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270585.

The product of its digits is 720, while the sum is 23.

The square root of 541166 is about 735.6398575390. The cubic root of 541166 is about 81.4910976764.

It can be divided in two parts, 541 and 166, that added together give a palindrome (707).

The spelling of 541166 in words is "five hundred forty-one thousand, one hundred sixty-six".