6856502416 has 45 divisors (see below), whose sum is σ = 13472549811. Its totient is φ = 3380390496.

The previous prime is 6856502413. The next prime is 6856502473. The reversal of 6856502416 is 6142056586.

The square root of 6856502416 is 82804.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×6856502416² = 94023250761227674112, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6856502413) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 42064351 + ... + 42064513.

Almost surely, 2^6856502416 is an apocalyptic number.

6856502416 is the 82804-th square number.

It is an amenable number.

6856502416 is a deficient number, since it is larger than the sum of its proper divisors (6616047395).

6856502416 is an equidigital number, since it uses as much as digits as its factorization.

6856502416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The cubic root of 6856502416 is about 1899.7693548281.

The spelling of 6856502416 in words is "six billion, eight hundred fifty-six million, five hundred two thousand, four hundred sixteen".