806668134 has 8 divisors (see below), whose sum is σ = 1613336280. Its totient is φ = 268889376.

The previous prime is 806668127. The next prime is 806668151. The reversal of 806668134 is 431866608.

It is a happy number.

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

806668134 is an admirable number.

It is a super-2 number, since 2×806668134² = 1301426956822083912, which contains 22 as substring.

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, 67222339 + ... + 67222350.

It is an arithmetic number, because the mean of its divisors is an integer number (201667035).

Almost surely, 2^806668134 is an apocalyptic number.

806668134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

806668134 is a wasteful number, since it uses less digits than its factorization.

806668134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134444694.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 806668134 is about 28401.9037038013. The cubic root of 806668134 is about 930.8898616500.

The spelling of 806668134 in words is "eight hundred six million, six hundred sixty-eight thousand, one hundred thirty-four".