666807334 has 8 divisors (see below), whose sum is σ = 1032475968. Its totient is φ = 322648680.

The previous prime is 666807319. The next prime is 666807343. The reversal of 666807334 is 433708666.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5377417 + ... + 5377540.

It is an arithmetic number, because the mean of its divisors is an integer number (129059496).

Almost surely, 2^666807334 is an apocalyptic number.

666807334 is a deficient number, since it is larger than the sum of its proper divisors (365668634).

666807334 is a wasteful number, since it uses less digits than its factorization.

666807334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10754990.

The product of its (nonzero) digits is 435456, while the sum is 43.

The square root of 666807334 is about 25822.6128422358. The cubic root of 666807334 is about 873.6419025326.

The spelling of 666807334 in words is "six hundred sixty-six million, eight hundred seven thousand, three hundred thirty-four".