6850355616 has 144 divisors (see below), whose sum is σ = 21145872384. Its totient is φ = 2091059712.

The previous prime is 6850355593. The next prime is 6850355623. The reversal of 6850355616 is 6165530586.

6850355616 is a `hidden beast` number, since 6 + 8 + 50 + 35 + 561 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 468285 + ... + 482691.

It is an arithmetic number, because the mean of its divisors is an integer number (146846336).

Almost surely, 2^6850355616 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 6850355616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10572936192).

6850355616 is an abundant number, since it is smaller than the sum of its proper divisors (14295516768).

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

6850355616 is a wasteful number, since it uses less digits than its factorization.

6850355616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14563 (or 14552 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 6850355616 is about 82766.8751131756. The cubic root of 6850355616 is about 1899.2014757115.

The spelling of 6850355616 in words is "six billion, eight hundred fifty million, three hundred fifty-five thousand, six hundred sixteen".