6820526916 has 216 divisors, whose sum is σ = 20685939456. Its totient is φ = 1927359360.

The previous prime is 6820526899. The next prime is 6820526953. The reversal of 6820526916 is 6196250286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 25167861 + ... + 25168131.

Almost surely, 2^6820526916 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 6820526916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10342969728).

6820526916 is an abundant number, since it is smaller than the sum of its proper divisors (13865412540).

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

6820526916 is a wasteful number, since it uses less digits than its factorization.

6820526916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 6820526916 is about 82586.4814361285. The cubic root of 6820526916 is about 1896.4408824908.

The spelling of 6820526916 in words is "six billion, eight hundred twenty million, five hundred twenty-six thousand, nine hundred sixteen".