6668351834 has 16 divisors (see below), whose sum is σ = 10553431680. Its totient is φ = 3151356480.

The previous prime is 6668351831. The next prime is 6668351849. The reversal of 6668351834 is 4381538666.

It is a super-2 number, since 2×6668351834² = 88933832364022327112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6668351831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187199 + ... + 219954.

It is an arithmetic number, because the mean of its divisors is an integer number (659589480).

Almost surely, 2^6668351834 is an apocalyptic number.

6668351834 is a deficient number, since it is larger than the sum of its proper divisors (3885079846).

6668351834 is a wasteful number, since it uses less digits than its factorization.

6668351834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407605.

The product of its digits is 2488320, while the sum is 50.

The square root of 6668351834 is about 81659.9769409715. The cubic root of 6668351834 is about 1882.2306247198.

The spelling of 6668351834 in words is "six billion, six hundred sixty-eight million, three hundred fifty-one thousand, eight hundred thirty-four".