666673395 has 8 divisors (see below), whose sum is σ = 1066677456. Its totient is φ = 355559136.

The previous prime is 666673369. The next prime is 666673421. The reversal of 666673395 is 593376666.

It is an interprime number because it is at equal distance from previous prime (666673369) and next prime (666673421).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 666673395 - 2¹¹ = 666671347 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 22222432 + ... + 22222461.

It is an arithmetic number, because the mean of its divisors is an integer number (133334682).

Almost surely, 2^666673395 is an apocalyptic number.

666673395 is a deficient number, since it is larger than the sum of its proper divisors (400004061).

666673395 is a wasteful number, since it uses less digits than its factorization.

666673395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44444901.

The product of its digits is 3674160, while the sum is 51.

The square root of 666673395 is about 25820.0192680021. The cubic root of 666673395 is about 873.5834035967.

The spelling of 666673395 in words is "six hundred sixty-six million, six hundred seventy-three thousand, three hundred ninety-five".