6530816 has 36 divisors (see below), whose sum is σ = 13220592. Its totient is φ = 3219456.

The previous prime is 6530809. The next prime is 6530831. The reversal of 6530816 is 6180356.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 24701 + ... + 24963.

Almost surely, 2^6530816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6530816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6610296).

6530816 is an abundant number, since it is smaller than the sum of its proper divisors (6689776).

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

6530816 is an equidigital number, since it uses as much as digits as its factorization.

6530816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 362 counting only the distinct ones).

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

The square root of 6530816 is about 2555.5461255865. The cubic root of 6530816 is about 186.9200187957.

It can be divided in two parts, 6530 and 816, that multiplied together give a triangular number (5328480 = T₃₂₆₄).

The spelling of 6530816 in words is "six million, five hundred thirty thousand, eight hundred sixteen".