541668 has 12 divisors (see below), whose sum is σ = 1263920. Its totient is φ = 180552.

The previous prime is 541661. The next prime is 541669. The reversal of 541668 is 866145.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nialpdrome in base 15.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (541661) by changing a digit.

541668 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22558 + ... + 22581.

2⁵⁴¹⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

541668 is an abundant number, since it is smaller than the sum of its proper divisors (722252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

541668 is a wasteful number, since it uses less digits than its factorization.

541668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45146 (or 45144 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 541668 is about 735.9809780151. The cubic root of 541668 is about 81.5162876602.

The spelling of 541668 in words is "five hundred forty-one thousand, six hundred sixty-eight".