667340006 has 4 divisors (see below), whose sum is σ = 1001010012. Its totient is φ = 333670002.

The previous prime is 667339999. The next prime is 667340017. The reversal of 667340006 is 600043766.

It is a semiprime because it is the product of two 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 as a sum of consecutive naturals, namely, 166835000 + ... + 166835003.

It is an arithmetic number, because the mean of its divisors is an integer number (250252503).

Almost surely, 2^667340006 is an apocalyptic number.

667340006 is a deficient number, since it is larger than the sum of its proper divisors (333670006).

667340006 is a wasteful number, since it uses less digits than its factorization.

667340006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333670005.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 667340006 is about 25832.9248440822. The cubic root of 667340006 is about 873.8744738184.

The spelling of 667340006 in words is "six hundred sixty-seven million, three hundred forty thousand, six".