6667003407 has 16 divisors (see below), whose sum is σ = 9461532672. Its totient is φ = 4161310080.

The previous prime is 6667003403. The next prime is 6667003411. The reversal of 6667003407 is 7043007666.

6667003407 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6667003403) and next prime (6667003411).

It is not a de Polignac number, because 6667003407 - 2² = 6667003403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6667003403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332473 + ... + 351954.

It is an arithmetic number, because the mean of its divisors is an integer number (591345792).

Almost surely, 2^6667003407 is an apocalyptic number.

6667003407 is a deficient number, since it is larger than the sum of its proper divisors (2794529265).

6667003407 is a wasteful number, since it uses less digits than its factorization.

6667003407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684638.

The product of its (nonzero) digits is 127008, while the sum is 39.

The square root of 6667003407 is about 81651.7201717147. The cubic root of 6667003407 is about 1882.1037457071.

The spelling of 6667003407 in words is "six billion, six hundred sixty-seven million, three thousand, four hundred seven".