6839551966 has 8 divisors (see below), whose sum is σ = 11048507064. Its totient is φ = 3156716280.

The previous prime is 6839551913. The next prime is 6839551973. The reversal of 6839551966 is 6691559386.

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

It is a super-2 number, since 2×6839551966² = 93558942191228930312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6839551966.

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, 131529820 + ... + 131529871.

It is an arithmetic number, because the mean of its divisors is an integer number (1381063383).

Almost surely, 2^6839551966 is an apocalyptic number.

6839551966 is a deficient number, since it is larger than the sum of its proper divisors (4208955098).

6839551966 is a wasteful number, since it uses less digits than its factorization.

6839551966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263059706.

The product of its digits is 10497600, while the sum is 58.

The square root of 6839551966 is about 82701.5838179657. The cubic root of 6839551966 is about 1898.2025444120.

The spelling of 6839551966 in words is "six billion, eight hundred thirty-nine million, five hundred fifty-one thousand, nine hundred sixty-six".