6981168206 has 8 divisors (see below), whose sum is σ = 10472365800. Its totient is φ = 3490379608.

The previous prime is 6981168179. The next prime is 6981168253. The reversal of 6981168206 is 6028611896.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55256 + ... + 130443.

It is an arithmetic number, because the mean of its divisors is an integer number (1309045725).

Almost surely, 2^6981168206 is an apocalyptic number.

6981168206 is a deficient number, since it is larger than the sum of its proper divisors (3491197594).

6981168206 is a wasteful number, since it uses less digits than its factorization.

6981168206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204498.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 6981168206 is about 83553.3853652861. The cubic root of 6981168206 is about 1911.2142171119.

The spelling of 6981168206 in words is "six billion, nine hundred eighty-one million, one hundred sixty-eight thousand, two hundred six".