6998261706 has 64 divisors (see below), whose sum is σ = 15752880000. Its totient is φ = 2302667136.

The previous prime is 6998261693. The next prime is 6998261707. The reversal of 6998261706 is 6071628996.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (6998261707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4896600 + ... + 4898028.

It is an arithmetic number, because the mean of its divisors is an integer number (246138750).

Almost surely, 2^6998261706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6998261706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7876440000).

6998261706 is an abundant number, since it is smaller than the sum of its proper divisors (8754618294).

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

6998261706 is a wasteful number, since it uses less digits than its factorization.

6998261706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548 (or 2542 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 6998261706 is about 83655.6137148010. The cubic root of 6998261706 is about 1912.7728250541.

The spelling of 6998261706 in words is "six billion, nine hundred ninety-eight million, two hundred sixty-one thousand, seven hundred six".