6495816 has 16 divisors (see below), whose sum is σ = 16239600. Its totient is φ = 2165264.

The previous prime is 6495809. The next prime is 6495847. The reversal of 6495816 is 6185946.

It is an Ulam 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, 135306 + ... + 135353.

It is an arithmetic number, because the mean of its divisors is an integer number (1014975).

Almost surely, 2^6495816 is an apocalyptic number.

It is an amenable number.

6495816 is an abundant number, since it is smaller than the sum of its proper divisors (9743784).

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

6495816 is a wasteful number, since it uses less digits than its factorization.

6495816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270668 (or 270664 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 6495816 is about 2548.6890747990. The cubic root of 6495816 is about 186.5855061006.

The spelling of 6495816 in words is "six million, four hundred ninety-five thousand, eight hundred sixteen".