6541616 has 20 divisors (see below), whose sum is σ = 12775224. Its totient is φ = 3244800.

The previous prime is 6541609. The next prime is 6541621. The reversal of 6541616 is 6161456.

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, 536 + ... + 3656.

Almost surely, 2^6541616 is an apocalyptic number.

It is an amenable number.

6541616 is a deficient number, since it is larger than the sum of its proper divisors (6233608).

6541616 is a wasteful number, since it uses less digits than its factorization.

6541616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260 (or 3254 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 6541616 is about 2557.6583039961. The cubic root of 6541616 is about 187.0229984964.

The spelling of 6541616 in words is "six million, five hundred forty-one thousand, six hundred sixteen".