6849866610 has 96 divisors (see below), whose sum is σ = 19367096112. Its totient is φ = 1672704000.

The previous prime is 6849866537. The next prime is 6849866623. The reversal of 6849866610 is 166689486.

It can be written as a sum of positive squares in 8 ways, for example, as 5538485241 + 1311381369 = 74421^2 + 36213^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3891 + ... + 117110.

Almost surely, 2^6849866610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6849866610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9683548056).

6849866610 is an abundant number, since it is smaller than the sum of its proper divisors (12517229502).

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

6849866610 is a wasteful number, since it uses less digits than its factorization.

6849866610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121068 (or 121065 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 6849866610 is about 82763.9209438509. The cubic root of 6849866610 is about 1899.1562837502.

The spelling of 6849866610 in words is "six billion, eight hundred forty-nine million, eight hundred sixty-six thousand, six hundred ten".