6541216 has 24 divisors (see below), whose sum is σ = 14049504. Its totient is φ = 2973120.

The previous prime is 6541189. The next prime is 6541229. The reversal of 6541216 is 6121456.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8940 + ... + 9643.

It is an arithmetic number, because the mean of its divisors is an integer number (585396).

Almost surely, 2^6541216 is an apocalyptic number.

It is an amenable number.

6541216 is an abundant number, since it is smaller than the sum of its proper divisors (7508288).

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

6541216 is a wasteful number, since it uses less digits than its factorization.

6541216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18604 (or 18596 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 6541216 is about 2557.5801062723. The cubic root of 6541216 is about 187.0191864554.

The spelling of 6541216 in words is "six million, five hundred forty-one thousand, two hundred sixteen".