6664667000 has 32 divisors (see below), whose sum is σ = 15595323120. Its totient is φ = 2665866400.

The previous prime is 6664666933. The next prime is 6664667021. The reversal of 6664667000 is 7664666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3331334 + ... + 3333333.

Almost surely, 2^6664667000 is an apocalyptic number.

It is an amenable number.

6664667000 is an abundant number, since it is smaller than the sum of its proper divisors (8930656120).

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

6664667000 is a wasteful number, since it uses less digits than its factorization.

6664667000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6664688 (or 6664674 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 6664667000 is about 81637.4117669099. The cubic root of 6664667000 is about 1881.8838631066.

The spelling of 6664667000 in words is "six billion, six hundred sixty-four million, six hundred sixty-seven thousand".