6665207 has 6 divisors (see below), whose sum is σ = 7080648. Its totient is φ = 6272864.

The previous prime is 6665201. The next prime is 6665213. The reversal of 6665207 is 7025666.

It is an interprime number because it is at equal distance from previous prime (6665201) and next prime (6665213).

It is not a de Polignac number, because 6665207 - 2⁸ = 6664951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11243 + ... + 11820.

It is an arithmetic number, because the mean of its divisors is an integer number (1180108).

Almost surely, 2^6665207 is an apocalyptic number.

6665207 is a deficient number, since it is larger than the sum of its proper divisors (415441).

6665207 is a wasteful number, since it uses less digits than its factorization.

6665207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23097 (or 23080 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 6665207 is about 2581.7062187631. The cubic root of 6665207 is about 188.1934687844.

The spelling of 6665207 in words is "six million, six hundred sixty-five thousand, two hundred seven".