6411516 has 48 divisors (see below), whose sum is σ = 16166304. Its totient is φ = 1970176.

The previous prime is 6411469. The next prime is 6411521. The reversal of 6411516 is 6151146.

It is a super-2 number, since 2×6411516² = 82215074836512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10516 + ... + 11108.

It is an arithmetic number, because the mean of its divisors is an integer number (336798).

Almost surely, 2^6411516 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 6411516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8083152).

6411516 is an abundant number, since it is smaller than the sum of its proper divisors (9754788).

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

6411516 is a wasteful number, since it uses less digits than its factorization.

6411516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 668 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 6411516 is about 2532.0971545342. The cubic root of 6411516 is about 185.7748460708.

The spelling of 6411516 in words is "six million, four hundred eleven thousand, five hundred sixteen".