6866996682 has 256 divisors, whose sum is σ = 18620743680. Its totient is φ = 1637625600.

The previous prime is 6866996659. The next prime is 6866996683. The reversal of 6866996682 is 2866996686.

It is not an unprimeable number, because it can be changed into a prime (6866996683) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 42128733 + ... + 42128895.

It is an arithmetic number, because the mean of its divisors is an integer number (72737280).

Almost surely, 2^6866996682 is an apocalyptic number.

6866996682 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6866996682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9310371840).

6866996682 is an abundant number, since it is smaller than the sum of its proper divisors (11753746998).

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

6866996682 is a wasteful number, since it uses less digits than its factorization.

6866996682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369.

The product of its digits is 80621568, while the sum is 66.

The square root of 6866996682 is about 82867.3438816522. The cubic root of 6866996682 is about 1900.7380956899.

The spelling of 6866996682 in words is "six billion, eight hundred sixty-six million, nine hundred ninety-six thousand, six hundred eighty-two".