6868621166 has 8 divisors (see below), whose sum is σ = 11239561944. Its totient is φ = 3122100520.

The previous prime is 6868621159. The next prime is 6868621181. The reversal of 6868621166 is 6611268686.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156105005 + ... + 156105048.

It is an arithmetic number, because the mean of its divisors is an integer number (1404945243).

Almost surely, 2^6868621166 is an apocalyptic number.

6868621166 is a deficient number, since it is larger than the sum of its proper divisors (4370940778).

6868621166 is a wasteful number, since it uses less digits than its factorization.

6868621166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312210066.

The product of its digits is 995328, while the sum is 50.

The square root of 6868621166 is about 82877.1450159813. The cubic root of 6868621166 is about 1900.8879659228.

The spelling of 6868621166 in words is "six billion, eight hundred sixty-eight million, six hundred twenty-one thousand, one hundred sixty-six".