6516416 has 28 divisors (see below), whose sum is σ = 13380720. Its totient is φ = 3144960.

The previous prime is 6516401. The next prime is 6516421. The reversal of 6516416 is 6146156.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101 + ... + 3611.

Almost surely, 2^6516416 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 6516416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6690360).

6516416 is an abundant number, since it is smaller than the sum of its proper divisors (6864304).

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

6516416 is a wasteful number, since it uses less digits than its factorization.

6516416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3552 (or 3542 counting only the distinct ones).

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

The square root of 6516416 is about 2552.7271691272. The cubic root of 6516416 is about 186.7825357717.

The spelling of 6516416 in words is "six million, five hundred sixteen thousand, four hundred sixteen".